Solve.A rectangular park is 15 km long and 15 km wide. How long is a pedestrian route that runs diagonally across the park?
A. 900 km
B. 60 km
C. 15
km
D. 30
km
Answer: C
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Find the volume of the described solid.The base of the solid is the disk x2 + y2 ? 4. The cross sections by planes perpendicular to the 
between 
and 
are isosceles right triangles with one leg in the disk.
A. 
B. 
C. 
D. 
The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = 0
A. Differentiable B. Continuous but not differentiable C. Neither continuous nor differentiable
Solve the problem.The ferris wheel in the figure has a radius of 42 meters. The distance between the top of the ferris wheel and the ground is 91 meters. The rectangular coordinate system shown has its origin on the ground directly below the center of the wheel. Use the coordinate system to write the equation of the circular wheel.
A. x2 + (y - 49)2 = 842 B. x2 + y2 = 422 C. x2 + (y - 49)2 = 422 D. x2 + (y + 49)2 = 422
Solve the problem.Paul invested three times as much in an account paying 7% interest as he did in an account paying 3% interest. If the total interest paid was $600, how much did he invest in each account?
A. $2500 at 7%, $7500 at 3% B. $7500 at 7%, $3000 at 3% C. $75 at 7%, $25 at 3% D. $7500 at 7%, $2500 at 3%