Solve.The area of a square is found by the equation A = s2 where s is the length of a side. If the area of a square porch is 64 square feet, find the dimensions of the porch.
A. 10 ft by 10 ft
B. 7 ft by 7 ft
C. 9 ft by 9 ft
D. 8 ft by 8 ft
Answer: D
Mathematics
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Find the volume of the indicated region.The region common to the interiors of the cylinders 
and 
A. 
B. 
C. 2048
D. 
Mathematics
Solve the problem.Find out how long it takes a $2700 investment to earn $500 interest if it is invested at 8% compounded quarterly. Round to the nearest tenth of a year. Use the formula 
A. 2.3 years B. 2.5 years C. 2.1 years D. 1.9 years
Mathematics
Simplify the expression.
÷ 
A. 
B. 
C. z - 3
D. 
Mathematics
Find the exact circumference of the circle.Find the exact circumference.
A. 21.5? cm B. 86? cm C. 43? cm D. 1849? cm
Mathematics