Add.-7 + 13 + (-14) + 8
A. 0
B. 2
C. 12
D. 14
Answer: A
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Solve the problem.A wire 20 feet long is to be cut into two pieces. One piece will be shaped as a square and the other piece will be shaped as an equilateral triangle. Express the total area A enclosed by the pieces of wire as a function of the length x of a side of the equilateral triangle. What is the domain of A?
What will be an ideal response?
Simplify the expression. Assume that all variables represent positive real numbers.
-3/2
A. 
B. 
C. 
D. 
Perform the indicated operation.4 + (-2)
A. 2 B. -2 C. -6 D. 6
Find the mean for the given sample data.The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the mean of the data.
A. 3.09 in. B. 3.27 in. C. 2.80 in. D. 2.94 in.