Simplify the expression.5-2
A. 25
B. -25
C. 
D. 
Answer: C
Mathematics
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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are isosceles right triangles with one leg on the base of the solid.
A. 
?
B. 2?
C. 
?
D. 
?
Mathematics
Solve the equation.2(4m + 1)2 = -13(4m + 1) - 20
A. - 
, - 
B. - 
, -4
C. - 
, - 
D. - 
, - 
Mathematics
Find the required inverse and locate on the number line.Find the multiplicative inverse for 8 and graph on the number line. 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression or state that it does not exist.sin
A. 
B. 
C. 
D. 
Mathematics