Perform the indicated operation.31% + 15%
A. 56%
B. 46%
C. 36%
D. 146%
Answer: B
Mathematics
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Solve the equation and check your solution.
+ 7 = 
A. - 
B. - 
C. 
D. 
Mathematics
Solve the inequality. Express your answer using interval notation.x - 4 < -5
A. (-?, -1)
B. (-?, -9]
C. (-1, ?)
D. (-?, -9)
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = - 
; sin ? > 0
Find cos 
.
A. 
B. 
C. - 
D. - 
Mathematics
Solve the problem.A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 66 feet and the radius of the hemisphere is r feet, express the volume of the silo as a function of r.
A. V(r) = ?(66 - r) + 
?r2
B. V(r) = ?(66 - r)r3 + 
?r2
C. V(r) = 66?r2 + 
?r3
D. V(r) = ?(66 - r)r2 + 
?r3
Mathematics