Solve the problem. Round your answer, if appropriate.Water is being drained from a container which has the shape of an inverted right circular cone. The container has a radius of 7.00 inches at the top and a height of 9.00 inches. At the instant when the water in the container is 8.00 inches deep, the surface level is falling at a rate of 1.4 in./sec. Find the rate at which water is being drained from the container.
A. 203 in.3/s
B. 163 in.3/s
C. 170 in.3/s
D. 155 in.3s
Answer: C
Mathematics
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Find the distance between the two points on the coordinate plane. If necessary, round the answer to the nearest thousandth.(6, 5) and (-5, -1)
A. 66 units
B. 
units ? 9.220 units
C. 157 units
D. 
units ? 12.530 units
Mathematics
Find the circumference C and the area A of a circle with radius r. Use ? ? 3.14.r = 1 km
A. C = 6.28 km, A = 3.14 km2 B. C = 1.57 km, A = 3.14 km2 C. C = 3.14 km, A = 6.28 km2 D. C = 3.14 km, A = 1.57 km2
Mathematics
Use the given conditions to write an equation for the line in the indicated form.Passing through (3, 3) and parallel to the line whose equation is 
;slope-intercept form
A. y = - 
x + 
B. y = 
x - 
C. y = - 6x - 21
D. y = - 
x - 
Mathematics
Graph.y = |x| + 3
A. 
B. 
C. 
D. 
Mathematics