Solve.In a distant galaxy the gravity of planet A is 216 times as strong as the gravity of planet B, so objects on planet A weigh 216 times as much as they weigh on planet B. If the object weighs 
on planet A, how much does it weigh on plant B?
A. 1,600 lb
B. 170 lb
C. 153 lb
D. 160 lb
Answer: D
Mathematics
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Given p is true, q is true, and r is false, find the truth value of the statement.~[(~q ? r) ?(q ? r)]
A. False B. True
Mathematics
Solve the problem.The polynomial function I(t) = -0.1t2 + 1.7t represents the yearly income (or loss) from a real estate investment, where t is time in years. After what year does income begin to decline?
A. year 8.5 B. year 7.5 C. year 11 D. year 17
Mathematics
Simplify the radical expression by factoring out the largest perfect nth power. Assume that all variables are positive.- 
A. -6xy
B. -6xy
C. 6xy
D. xy
Mathematics
Use a calculator to evaluate the expression. 
A. 83,490,264 B. 6,957,522 C. 3,478,761 D. 417,451,320
Mathematics