Solve the problem.April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 30 feet high. The height of the arrow is given by the function h(t) = -16t2 + 64t + 30, where t is the time is seconds. What is the maximum height of the arrow?
A. 30 ft
B. 64 ft
C. 94 ft
D. 26 ft
Answer: C
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Write the system of equations that corresponds to the augmented matrix.
A. 
B. 
C. 
D. 
Solve the problem.The rate of water usage for a business, in gallons per hour, is given by 
where t is the number of hours since midnight. Find the average rate of water usage over the interval 
A. 0.07 gallons per hour B. 4.24 gallons per hour C. 4.09 gallons per hour D. 4.12 gallons per hour
Solve the problem.During a storm in Anchorage, Alaska, the temperature was 10°F at noon. Then it dropped 5°F each hour for the next 2 hours, followed by an additional drop of 7°F the third hour. What was the temperature at 3 P.M.?
A. -5°F B. 7°F C. -7°F D. -8°F
Find the length of the median of side AB of the triangle with vertices A(-4,8,5), B(-2,-8,-3) and C(12,-6,8).
What will be an ideal response?