Question

The temperature in Antarctica at noon is 14°F. By 9:00PM, the temperature had dropped by 16.2 degrees. What was the temperature at 9:00PM?
Responses
A –2.2°F–2.2°F
B 2.2°F2.2°F
C –30.2°F–30.2°F
D 30.2°F
Answer
Determine the value of the expression –5.45 + 4.12 –8.66.
Responses
A -9.99-9.99
B 18.2318.23
C –0.91–0.91
D –2.99
Answer
Simplify.​​​​​​​

7 2/3+−5 1/4


Responses
A -2-2
B 2 512
2 5 12
C 2 1112
2 11 12
D 12 1112
Answer
Simplify.

7.829 − 3.21
Responses
A 3.1273.127
B 4.2094.209
C 4.6194.619
D 11.039
Answer
Consider this expression:

14
− 0.5 + 12
− 0.25 + 35
+ 0.4
Question 1
You are asked to find the sum by using fractions. Which expression could you use?
Responses
A 14
− 12
+ 12
− 14
+ 35
+ 25
1 4 − 1 2 + 1 2 − 1 4 + 3 5 + 2 5
B 14
− 14
+ 12
− 14
+ 35
+ 25
1 4 − 1 4 + 1 2 − 1 4 + 3 5 + 2 5
C 14
− 12
+ 12
− 14
+ 45
+ 25
1 4 − 1 2 + 1 2 − 1 4 + 4 5 + 2 5
D 14
− 12
− 12
− 14
+ 35
+ 25
Answer
Consider this expression:

14
− 0.5 + 12
− 0.25 + 35
+ 0.4
Find the sum.
Responses
A 00
B 11
C 112
1 1 2
D 12
Answer
Evaluate this expression.

42.86 − 23.42
Responses
A 14.4114.41
B 19.4419.44
C 21.6221.62
D 22.04
Answer
Evaluate the numerical expression.

12
− (−34
)
Responses
A 13
1 3
B 14
1 4
C 32
3 2
D 54
5 4
E 74
Answer
Evaluate the numerical expression.

1/2
− (−3/4
)
Responses
A 13
1 3
B 14
1 4
C 32
3 2
D 54
5 4
E 74
Answer
Evaluate the numerical expression.

1/2
− (−3/4
)
Responses
A 1/3
1 3
B 1/4
1 4
C 3/2
3 2
D 5/4
5 4
E 7/4
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