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. Find the volume if the radius is 8 inches and the cone is 3 inches high. (Use 3.14 as an approximation for ?, and round to the nearest tenth.)
A. 1808.6 cu in.
B. 201.0 cu in.
C. 25.1 cu in.
D. 67.0 cu in.
Answer: B
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Find the fluid force exerted against the vertically submerged flat surface depicted in the diagram. Assume arbitrary units, and call the weight-density of the fluid w.
A. 
w
B. 
w
C. 1029w
D. 2058w
Use algebraic and/or graphical methods to solve the inequality.m3 - 25m ? 0
A. -5 ? x < 0 or x > 5 B. -5 < x < 0 or x > 5 C. -5 < x ? 0 or x ? 5 D. -5 ? x ? 0 or x ? 5
Solve the problem, using the table.
Jean-Paul invests $8500 in an account that earns 5% interest compounded annually. After 3 years, he plans to use the compound amount to purchase a 5-year CD that earns 7% interest compounded daily. Find the final amount he will have after 8 years.
A. $9839.81 B. $21,901.48 C. $1339.81 D. $13,962.89
Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find cos A when a = 7 and b = 6.
A. 
B. 
C. 
D. 