Solve by graphing.The cost y (in dollars) of car rental is related to the number of miles driven x and is approximated by the linear equation y = 0.25x + 8. Graph the equation and use the graph to estimate to the nearest whole dollar the cost of car rental if the number of miles driven is 21. 
A. $18
B. $13
C. $9
D. $23
Answer: B
Mathematics
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A. Right B. Acute C. Straight D. Obtuse
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Solve the equation and express the solution in exact form.log8 x = 
A. {0, 1} B. {8} C. {1, 8} D. {0, 8}
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Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 1.79x + 0.43 B. y = 0.43x + 1.79 C. y = -1.86x + 1.79 D. y = 1.79x - 1.86
Mathematics
Divide.2.4 ÷ (0.08)
A. 23.2
B. 
C. 30
D. 2.32
Mathematics