Solve the problem.The radius r and height h of a cylinder are changing with time. At the instant in question, 
and 
At what rate is the cylinder's volume changing at that instant?
A. 0.25 cm3/sec
B. 0.13 cm3/sec
C. 1.01 cm3/sec
D. 0.5 cm3/sec
Answer: D
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Find fraction notation.0.4444 . . .
A. 
B. 
C. 
D. 
Solve the problem. Write all linear equations in slope-intercept form.A biologist recorded 6 snakes on 16 acres in one area and 15 snakes on 33 acres in another area. Find a linear equation that models the number of snakes in x acres.
A. y = 
x + 
B. y = 
x - 
C. y = x + 10
D. y = 
x - 
Write a fraction to represent the shaded area of the figure.
A. 
B. 
C. 
D. 
Solve the problem.A company manufactures two types of lawn mowers, a gas-powered model and an electric model. It costs 
to produce each of x gas-powered mowers and 
to produce each of y electric mowers, and the company has at most 
per month to use for production. Write the inequality that describes this constraint on monthly production.
A. 98x + 104y ? 86,450 B. 104x + 98y ? 86,450 C. 104x + 98y ? 86,450 D. 98x + 104y ? 86,450