Multiply.-7 ? 
A.
B.
C. 210
D. -
Answer: A
Mathematics
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Estimate the answer using compatible numbers.518 ÷ 52
A. 10 B. 12 C. 11 D. 9
Mathematics
Divide and simplify. ÷
A.
B.
C. z + 4
D.
Mathematics
Solve the problem. Round to the nearest cent.The list price of a keyboard is $670. If the series discount offered is 10/15/5, what is the net cost after trade discounts?
A. $183.08 B. $469.00 C. $201.00 D. $486.92
Mathematics
Solve the problem.A wheel with a 17-inch diameter is turning at the rate of 34 revolutions per minute. To the nearest inch, what is the speed of a point on the rim in in./min?
A. 1862 in./min B. 1816 in./min C. 1823 in./min D. 1869 in./min
Mathematics