Solve the problem.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 60 seconds are required to make a 
enlargement, find the time required for a 
enlargement.
A. 252 sec
B. 441 sec
C. 378 sec
D. 315 sec
Answer: D
Mathematics
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Solve the problem.If it has been determined that the probability of an earthquake occurring on a certain day in a certain area is 0.01, what are the odds against an earthquake?
A. 1 to 100 B. 100 to 1 C. 98 to 1 D. 99 to 1
Mathematics
Find the reciprocal.
A. 
B. 
C. -7
D. 
Mathematics
Multiply mentally.(-9 + 5x)(9 + 5x)
A. 25x2 + 90x - 81 B. 25x2 - 90x - 81 C. x2 - 81 D. 25x2 - 81
Mathematics
Find the value(s) of the function on the given feasible region.Find the minimum of 
A. 51 B. 38 C. 25 D. 13
Mathematics