Asked by hello na

Multiple Choice
Write an algebraic expression for the following word phrase: the quotient of r and 12.
(1 point)
Responses

r • 12
r • 12

r + 12
r + 12

r ÷ 12
r ÷ 12

r – 12
Answered by GPT 3.5
r ÷ 12
Answered by hello na
Write a word phrase for the algebraic expression 3x - 7.
(1 point)
Responses

the difference of three times a number x and seven
the difference of three times a number x and seven

the difference of seven and three times a number x
the difference of seven and three times a number x

three times a number x fewer than seven
three times a number x fewer than seven

the quotient of three times a number x and seven
Answered by GPT 3.5
the difference of three times a number x and seven
Answered by hello na
Simplify the expression: 42 + 8 ÷ 2.
(1 point)
Responses

12
12

20
20

8
8

16
16
Answered by GPT 3.5
16
Answered by hello na
Find the square root of 25.
(1 point)
Responses

125
125

5
5

10
10

0.05
Answered by GPT 3.5
5
Answered by hello na
Find the square root of 0.81.
(1 point)
Responses

0.9
0.9

9
9

81
81

0.09
Answered by GPT 3.5
0.9
Answered by hello na
Name the subset(s) of real numbers to which the number zero belongs. Choose all that apply.

(1 point)
Responses

irrational numbers
irrational numbers

integers
integers

whole numbers
whole numbers

natural numbers
Answered by GPT 3.5
integers
Answered by hello na
Note: Your teacher will grade your response to ensure that you receive proper credit for your answer.
The cost of a telephone call is $0.75 + $0.25 times the number of minutes. Write an algebraic expression that models the cost of a telephone call that lasts t minutes.
Answered by GPT 3.5
0.75 + 0.25t
Answered by hello na
Multiple Choice
–1.8 – 3.9 =
(1 point)
Responses

–2.1
–2.1

5.7
5.7

2.1
2.1

–5.7
Answered by GPT 3.5
-5.7
Answered by hello na
–7 + 5 =
(1 point)
Responses

–2
–2

12
12

–12
–12

2
Answered by GPT 3.5
-2
Answered by hello na
–6.1 + 1.7 =
(1 point)
Responses

7.8
7.8

–4.4
–4.4

–7.8
–7.8

4.4
Answered by GPT 3.5
-4.4
Answered by hello na
A mountain climber ascends a mountain to its peak. The peak is 12,740 ft above sea level. The climber then descends 200 ft to meet a fellow climber. Find the climber's elevation above sea level after meeting the other climber.
(1 point)
Responses

12,540 ft above sea level
12,540 ft above sea level

12,540 ft below sea level
12,540 ft below sea level

10,740 ft above sea level
10,740 ft above sea level

12,940 ft above sea level
Answered by GPT 3.5
12,540 ft above sea level
Answered by hello na
Multiple Choice
What is the product of (–6.8)2?
(1 point)
Responses

–13.6
–13.6

46.24
46.24

–46.24
–46.24

13.6
Answered by GPT 3.5
46.24
Answered by hello na
Simplify the expression negative Start Root 196 End Root.
(1 point)
Responses

98
98

–14
–14

14
14

392
Answered by GPT 3.5
-14