Solve the problem.For a cone, the formula r = 
describes the relationship between the radius r of the base, the volume V, and the height h. Solve the formula for V.
A. V = 
B. V = 
C. V = 
D. V = 
Answer: C
Mathematics
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Find the value of d2y/dx2 at the point defined by the given value of t.x = sin t, y = 5 sin t, t = 
A. -10 B. 0 C. 10 D. -5
Mathematics
Solve the problem.A ball is thrown vertically upward from the top of a building 144 feet tall with an initial velocity of 128 feet per second. The distance s (in feet) of the ball from the ground after t seconds is 
After how many seconds will the ball pass the top of the building on its way down?
A. 8 sec B. 7 sec C. 144 sec D. 10 sec
Mathematics
Evaluate the function as indicated.Find f( 2) when f(x) = 
.
A. 
B. 
C. 
D. 
Mathematics
Remove parentheses and simplify the expression.
(-6y - 4x + 10z)
A. -15y - 10x - 25z B. -15y - 10x + 25z C. -15y + 10x + 25z D. -15y - 4x + 10z
Mathematics