Solve.The function A = A0e-0.01155x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 500 pounds of the material are placed in the vault, how much time will need to pass for only 111 pounds to remain?
A. 260 yr
B. 140 yr
C. 135 yr
D. 130 yr
Answer: D
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Solve the problem.A triangular piece of glass is being cut so that the height of the triangle is 4 inches shorter than twice the base. If the area of the triangle is 48 square inches, how long is the height of the triangle?
A. 14 in. B. 8 in. C. 12 in. D. 16 in.
Perform the modular arithmetic operation.[(11 ? 4) + 4] (mod 8)
A. 3 B. 7 C. 1 D. 0
Evaluate the logarithm.log832
A.
B.
C.
D. 
Solve the problem.Use the formula Passing Rating ? 85.68
+ 4.31
+ 326.42
- 419.07
, where A = number of passes attempted, C= number of passes completed, Y = total number of yards gained passing, T = number of touchdown passes, and I = number of interceptions, to approximate the passing rating for C. Felix. Round to the nearest
tenth. 
A. 83
B. 82.3
C. 83.6
D. 82