Solve the problem.A triangle has a base of length 3x + 1 and a height of x + 6 and has an area of 45 square units. Find the base and height. (A = 
bh)
A. base = 10 units; height = 9 units
B. base = 3 units; height = 30 units
C. base = 3 units; height = 15 units
D. base = 9 units; height = 5 units
Answer: A
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Find the length of the curve.x = 
(y - 1) 3/2 from y = 9 to y = 16
A. 
B. 3
C. 37
D. 
E. 
Graph.9x2 + 64y2 = 576
A. 
B. 
C. 
D. 
Solve the problem.Let the distance from home in miles of a person after t hours on a straight path be given by 
Approximate the average rate of change of s from 
to 
to the nearest tenth and interpret the result.
A. about 3.7; average speed is about 3.7 mi/hr B. about 2.9; average speed is about 2.9 mi/hr C. about 0.7; average speed is about 0.7 mi/hr D. about 2.5; average speed is about 2.5 mi/hr
Solve the problem.An experienced accountant can prepare a tax return in 11 hours. A novice accountant can do the job in 18 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr