Use the quadratic formula to solve the equation.4m2 + 12m + 4 = 0
A. 
B. 
C. 
D. 
Answer: A
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A horse trots in a perfect circle around its trainer at the end of a 20-foot-long rope. How far does the horse travel as it circles the trainer once?
A. 400 ft B. 63 ft C. 1,657 ft D. 126 ft E. 1,257 ft
Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the parabola 
to the parabola 
.
A. 900 B. 180 C. 1800 D. 1750
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 1012 sec B. 1.4 × 105 sec C. 1.4 × 10-7 sec D. 1.4 × 106 sec
Solve.
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or 
? 
A. 
B. 
? 
C. 
D. (-?,?)