Question 1

Question

A)Erin watches her favorite YouTube channel for 811
of an hour each day. Which expressions represent the time Erin spends watching YouTube over a five-day period? Check the THREE that apply.(3 points)
Responses

1311
13 over 11

4011
40 over 11

811+811+811+811+811
8 over 11 plus 8 over 11 plus 8 over 11 plus 8 over 11 plus 8 over 11

5×811
5 times 8 over 11

5+811
5 plus 8 over 11
Question 2
A)Which number is an integer?(1 point)
Responses

4
4

−3
negative 3

10.5
10 point 5

34
3 fourths
Question 3
A)Hank said 64−−√
is irrational because it is a square root. Why is he incorrect?(1 point)
Responses

Hank is incorrect because 64 is irrational.
Hank is incorrect because 64 is irrational.

Hank is incorrect because not all square roots are irrational.
Hank is incorrect because not all square roots are irrational.

Hank is incorrect because 64−−√=32
.
Hank is incorrect because square root of 64 is equal to 32.

Hank is incorrect because the decimal expansion of 64−−√
is a repeating decimal.
Hank is incorrect because the decimal expansion of square root of 64 is a repeating decimal.
Question 4
A)
Determine if the statements are true or false. You can use the number line to assist you.

(4 points)
True False
2
is less than 2 12
.

−1.5
is greater than −1
.

−1
is greater than 12
.

1 12
is less than 12
.

Question 5
A)Lisa, a hiker, starts at an elevation of 457 feet above sea level and descends 221 feet during her hike to base camp. Which describes the elevation of base camp?(1 point)
Responses

236 feet above sea level
236 feet above sea level

678 feet below sea level
678 feet below sea level

236 feet below sea level
236 feet below sea level

678 feet above sea level
678 feet above sea level
Question 6
A)

Troy has to order 3 pounds of ham, 10 pounds of cheese, and 5 pounds of turkey. What is the total cost of Troy’s order?

(1 point)
Responses

$44.95
$44.95

$54.05
$54.05

$26.40
$26.40

$449.50
$449.50
Question 7
A)Select the set of decimals that is in order from least to greatest.(1 point)
Responses

1.07, 1.7, 1.73
1.07, 1.7, 1.73

1.7, 1.074, 1.07
1.7, 1.074, 1.07

1.77, 1.7, 1.07
1.77, 1.7, 1.07

1.7, 1.07, 1.007
1.7, 1.07, 1.007
Question 8
A)Which numbers are rational? Check the three that apply.(3 points)
Responses

4.52525252...

16−−√
square root of 16

1217
12 over 17

π
pi

32−−√
square root of 32

70−−√
square root of 70
Question 9
A)(2 points)
Fill in the blanks with the correct coefficients when simplifying the expression.

(10x+4y)+(7x+9y)

x+

y
Question 10
A)Which phrase could the expression 4x−9
represent?(1 point)
Responses

The product of a number and four less than nine.
The product of a number and four less than nine.

Nine more than four times a number.
Nine more than four times a number.

The difference of four times a number and nine.
The difference of four times a number and nine.

The sum of four times a number and nine.
The sum of four times a number and nine.

Answer 1

Here are the answers to your questions:

Question 1

Correct Responses:

1. \( \frac{8}{11} + \frac{8}{11} + \frac{8}{11} + \frac{8}{11} + \frac{8}{11} \)
2. \( 5 \times \frac{8}{11} \)
3. \( \frac{40}{11} \)

Question 2

Correct Response:

• 4

Question 3

Correct Response:

• Hank is incorrect because not all square roots are irrational.

Question 4

True or False Responses:

1. True: \( 2 < 2 \frac{1}{2} \)
2. True: \( -1.5 > -1 \)
3. False: \( -1 > \frac{1}{2} \)
4. True: \( 1 \frac{1}{2} < 12 \)

Question 5

Correct Response:

• 236 feet above sea level

Question 6

Correct Response:

• This question does not provide prices for the ham, cheese, and turkey. You'll need to provide the prices to determine the total cost.

Question 7

Correct Response:

• \( 1.07, 1.7, 1.73 \)

Question 8

Correct Responses:

1. \( 4.52525252... \)
2. \( \sqrt{16} \)
3. \( \frac{12}{17} \)

Question 9

Fill in the Blanks:

• \( 17x + 13y \)

Question 10

Correct Response:

• The difference of four times a number and nine.

Feel free to ask if you need more explanations for any of the answers!