Solve the problem.Ken and Kara are 27 miles apart on a calm lake paddling toward each other. Ken paddles at 4 miles per hour, while Kara paddles at 7 miles per hour. How long will it take them to meet?
A. 16 hr
B. 1
hr
C. 2
hr
D. 9 hr
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given curves about the x-axis.y = 2x, y = 4x, y = 2
A. 
?
B. 2?
C. 4?
D. 
?
Mathematics
Find the difference, regrouping when necessary.
A. 48 B. 88 C. 38 D. 32
Mathematics
Solve the problem.The barometric pressure p at an altitude of h miles above sea level satisfies the differential equation 
If the pressure at sea level is 29.92 inches of mercury, find the barometric pressure at 16,000 ft.
A. 8.16 in. B. 16.32 in. C. 1.22 in. D. 54.85 in.
Mathematics
Write a slope-intercept equation for a line with the given characteristics.m = 
; passes through (0, 6)
A. y = 
x - 6
B. y = 6x + 
C. y = 6x - 
D. y = 
x + 6
Mathematics