Solve.If y varies directly as the cube of x, and y = 25 when x = 15, find y when x = 12.
A. 
B. 
C. 20
D. 
Answer: A
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Solve the application and answer with a complete sentence.In a recent survey of 360 people, 72 said that their favorite color of car was black. What percent of the people surveyed preferred black cars?
A. 20% of the people preferred black cars. B. 6% of the people preferred black cars. C. 5% of the people preferred black cars. D. 21% of the people preferred black cars.
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Find the slope and the y-intercept of the line whose equation is: x =-3.
a. The slope is 0, and the y-intercept is (0, -3). b. The slope is -3; y-intercept is (0, 3). c. The slope is undefined, and there is no y-intercept. d. The slope is 3, and the y-intercept is (0,0).
Solve.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 9 ft. Find the length of the ladder if the length is 3 ft more than its distance from the wall.
A. 12 ft B. 9 ft C. 18 ft D. 15 ft