Simplify and add or subtract wherever possible.-3
- 9
- 10
A. -157
B. 17
C. -17
D. -3
Answer: A
Mathematics
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Determine whether the proportion is true.
= 
A. True B. False
Mathematics
Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.(144x4y8)1/2
A. 12x9/2y9/2 B. 12x2y4 C. 12x7/2y7/2 D. 72x2y4
Mathematics
Find the actual difference.-32.05 - 155.24
A. 123.19 B. -187.29 C. 125.44 D. 187.29
Mathematics
Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. Use this information to find the requested percent.Find the percent of home prices between $150,000 and $151,600 if the standard deviation is $800.
A. 34% B. 99.7% C. 47.5% D. 68%
Mathematics