Asked by Ride it slowly

Evaluate the numerical expression. 1/2 − (−3/4)
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Evaluate this expression.

75.5 − 32.55
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Evaluate this expression.

32 + (−72.1)
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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?
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Determine the value of the expression –5.45 + 4.12 –8.66.
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Simplify.

7.829 − 3.21
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Simplify.​​​​​​​

7 /23 +− 5 1/4
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Simplify.​​​​​​​

7 2/3 +− 5 1/4


A -2
B 2 5/12
C 2 11/12
D 12 11/12
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Add and Subtract Rational Numbers
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 − 1/2 + 1/2 − 1/4+ 3/5 + 2/5
B 14 − 14 + 12 − 14+ 35 + 251 4 − 1 4 + 1 2 − 1 4 + 3 5 + 2 5
C 14 − 12 + 12 − 14+ 45 + 251 4 − 1 2 + 1 2 − 1 4 + 4 5 + 2 5
D 14 − 12 − 12 − 14+ 35 + 251 4 − 1 2 − 1 2 − 1 4 + 3 5 + 2 5
Question 2
Find the sum.
Responses
A 00
B 11
C 1121 1 2
D 12
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Evaluate this expression.

42.86 − 23.42
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Evaluate 4 1/2 − 2 − 5 2/3
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