Solve the problem.The formula p = 15 + 
describes the pressure of sea water, p, in pounds per square foot, at a depth of 
below the surface. If a diver was subjected to a pressure of 40 pounds per square foot, to what depth did she descend? At what depth is the pressure 162 pounds per square foot?
A. 321.4ft; 321.4 ft
B. 353.4 ft; 353.4 ft
C. 57 ft; 325.4 ft
D. 55 ft; 323.4 ft
Answer: D
Mathematics
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Write the compound statement in symbols.Let r = "The food is good," p = "I eat too much,"q = "I'll exercise."If the food is not good, I won't eat too much.
A. ~r ? ~p B. ~(r ? p) C. ~p ? ~r D. r ? ~p
Mathematics
Find the composition. If f(x) = 
and g(x) = 8x + 4, find (g ? f)(x).
A. x + 8
B. x - 
C. 8x + 28
D. x
Mathematics
Solve using addition/subtraction:
Mathematics
Write the fraction in lowest terms.
A. 5
B. 
C. 9
D. 
Mathematics