Solve the problem.A ball is thrown vertically upward with an initial velocity of 160 feet per second. The distance in feet of the ball from the ground after t seconds is 
For what interval of time is the ball more than 256 above the ground?
A. {x ? 2 sec < x < 8 sec}
B. {x ? 4.5 sec < x < 5.5 sec}
C. {x ? 7 sec < x < 13 sec}
D. {x ? 1.5 sec < x < 8.5 sec}
Answer: A
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Starting in the year 2000, the number of crimes committed each year in Middletown is predicted to grow according to a linear growth model. During the year 2000, Middletown recorded 2 crimes (P0 = 2). During the year 2001, Middletown recorded 6 crimes (P1 = 6).According to the model, how many crimes are likely to be committed in Middletown during 2050?
A. 202 B. 104 C. 106 D. 206 E. none of these
The bar graph shows the percent of income spent on leisure activities in various countries of the world. Use the graph to answer the question.
List all countries in the graph in which more than 12% of household income is spent, on average, for leisure activities.
A. Germany, Britain, Japan, USA B. China, Australia, France C. Britain, Japan, USA D. Japan, USA
Evaluate the expression for the given values. Expression your answer as a fraction unless otherwise indicated.
+ y2 x = 8, y = 4
A. 10
B. 8
C. 
D. 22
Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.0.6x = 2; divided
A. 
B. 2
C. 6
D. 0.6