Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.-7-4
A. 2401
B. 
C. -2401
D. - 
Answer: D
Mathematics
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Multiply and, if possible, simplify.
? 
A. 18
B. 24
C. 12
D. 12
Mathematics
Determine whether the sequence is geometric.2, 6, 18, 54, 162, ...
A. Geometric B. Not geometric
Mathematics
Solve the problem.A plane flies 430 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in still air?
A. 190 mph B. 185 mph C. 175 mph D. 210 mph
Mathematics
Solve for the indicated variable.5s + 2p = tp - 2, for p
A. p = 
B. p = 
C. p = 
D. p = 
Mathematics