Multiply and simplify.
? 
A. 5xy2
B. 5xy
C. xy
D. 5x2y2
Answer: B
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Solve the problem.Jill is 14 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 4 hours. How fast is Joe walking?
A. 1.5 kilometers per hour B. 2 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour
Solve the problem.Suppose Bank of Grayslake offers a credit card charging 1.4% per month of one's average daily balance and no annual fee. The Bank of Gurnee offers a credit card charging 
per month and an annual fee of 
What value of 
would make both cards the same if your average daily balance is usually $1200?
A. $23.80 B. $1.80 C. $4.90 D. $21.60
Find the value of the expression.-|2.8|
A. -2.8 B. 2.8 C. 0 D. 5.6
Evaluate the determinant.
A. 0 B. 145 C. 17 D. - 145