Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
+ 
A. 
B. 
C. 
D. 
Answer: B
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Solve.Here are the heights of the male and female employees at First City Bank. Create a double box plot for the male and female employees' heights.
A. 
B. 
C. 
D. 
Simplify the expression. Assume all variables represent positive real numbers.
A. -4 B. 16 C. not a real number D. 4
A water system must be installed in a field as shown below. If the pipe comes in both 8-foot and 15-foot lengths, and cannot be cut, how many pipes of each length will be required?
Use front end rounding to estimate the sum or difference. Then find the exact answer to the problemTran's subtotal at Scramble's Electronics is $327.70. The sales tax on these items is $21.29. What was Tran's total bill?
A. Estimate: $280; exact: $306.41 B. Estimate: $300; exact: $348.99 C. Estimate: $320; exact: $348.99 D. Estimate: $348.99; exact: $348.99