Solve the problem.Estimate the volume of material in a cylindrical shell with height 28 in., radius 
and shell thickness 0.5 in. (Use 3.14 for ?.)
A. 879.2 in.3
B. 449.6 in.3
C. 219.8 in.3
D. 439.6 in.3
Answer: D
Mathematics
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Use a calculator (in radian mode) to evaluate the given expression.sec[tan-1 (-1.8392)]
A. 2.0935 B. 0.4777 C. -1.1383 D. -0.8785
Mathematics
Solve the equation.65n2 + 45n = 0
A. 0
B. - 
, 0
C. 
, 0
D. 
, - 
Mathematics
Use the distributive property to rewrite the expression. Simplify if possible.4x + 4z
A. 4(xz) B. 8(x + z) C. 4(x + z) D. 16(x + z)
Mathematics
Solve the problem.Helen Weller invested $14,000 in an account that pays 3% simple interest. How much additional money must be invested in an account that pays 6% simple interest so that the average return on the two investments amounts to 4%?
A. $11,000 B. $14,000 C. $10,000 D. $7000
Mathematics