Solve the problem. Round as appropriate.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 135 seconds are required to make a 3-by-5 enlargement, find the time required for a  enlargement.

A. 308 sec
B. 252 sec
C. 224 sec
D. 280 sec


Answer: B

Mathematics

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Convert the volume as indicated.0.46 liters to milliliters

A. 0.00046 ml B. 46 ml C. 460 ml D. 0.046 ml

Mathematics

Find the product.(x - 6)(x - 1)

A. x2 - 7x - 8 B. x2 + 6x - 7 C. x2 - 7x + 6 D. x2 - 8x + 6

Mathematics

Solve the quadratic equation by completing the square.x2 + 6x - 40 = 0

A. x = -4, x = 10 
B. x = 4, x = -10 
C. x = , x = 
D. x = -30, x = -10

Mathematics

Rewrite as a single logarithm using the product rule for logarithms. Assume all variables represent positive real numbers.log49 + log46

A. log454 B. log415 C. log815 D. log854

Mathematics