Solve the problem.The time it takes to travel a given distance at constant speed is given by the formula 
where t is the time, d is the distance, and r is the rate of travel. At 0.8 mile per minute, what distance can be traveled in 60 minutes?
A. 9.6 mi
B. 24 mi
C. 48 mi
D. 96 mi
Answer: C
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Solve the problem.Best Office Machines spent $84,570 this year on utility costs alone. If total sales were $513,300, what percent of total sales was spent on utility costs? Round to the nearest tenth of a percent, if necessary.
A. 61% B. 1.7% C. 16.5% D. 6.1%
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).y = x
A. sin ? = cos ? B. r = sin ? C. sin ? = - cos ? D. r = cos ?
Solve the system of equations using substitution.
A. x = 2 , y = -2; x = 7, y = -7
or (2, -2), (7, -7)
B. x = -2 , y = - 
; x = -7, y = - 
or 
, 
C. x = - 
, y = -7 or 
D. x = - 
, y = -2; x = - 
, y = -7
or 
, 
The graph shows the numbers of performers who were elected to the Rock and Roll Hall of Fame from 1991 through 2008. Describe any trends in the data. From these trends, predict the number of performers elected in 2009.
A. The number of performers elected in last four years in the graph seems to be nearly steady except for the first few years therefore five performers will be elected in 2009. B. The number of performers elected in last four years in the graph seems to be nearly steady except for the first few years therefore seven performers will be elected in 2009. C. The number of performers elected in last four years in the graph seems to be nearly steady except for the first few years therefore eight performers will be elected in 2009. D. The number of performers elected in last four years in the graph seems to be nearly steady except for the first few years therefore six performers will be elected in 2009. E. The number of performers elected in last four years in the graph seems to be nearly steady except for the first few years therefore nine performers will be elected in 2009.