Solve.The number of miles per gallon of gasoline that a car averages varies inversely as the average speed the car travels. A car gets 20 miles per gallon at 45 mph. How many miles per gallon will it get at 57 mph?
A. 0.04 miles per gallon
B. 0.06 miles per gallon
C. 25.3 miles per gallon
D. 15.8 miles per gallon
Answer: D
Mathematics
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Find the length of the hypotenuse.
A. 16 B. 110 C. 26 D. 25
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 0, x = 7
A. 196?
B. 
?
C. 14?
D. 
?
Mathematics
Find the opposite of the number.-2
A. -1 B. 2 C. 0 D. -2
Mathematics
Find the equation of the line passing through the indicated two points. Write the equation in slope-intercept form.(3, -5) and (0, -7)
A. y = 
x - 7
B. y = - 
x - 7
C. y = - 
x - 7
D. y = 
x - 7
Mathematics