Solve the problem.Find cos 
, given that cos ? = - 
and ? terminates in 90° < ? < 180°.
A. - 
B. 
C. 
D. - 
Answer: C
Mathematics
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Find the volume of the indicated region.the region that lies under the plane 
and over the triangle bounded by the lines 
, 
, and 
A. 133 B. 95 C. 115 D. 113
Mathematics
Find all of the real zeros for the following polynomial and sketch the graph of P.
?
?
A. ?
?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the problem.A grocer sold 86 bags of potatoes for $0.96 each. What was the total amount of the sale?
A. $83.66 B. $82.56 C. $82.57 D. $82.66
Mathematics
Find the logarithm using the change-of-base formula.log7.6 7.2
A. 0.9474 B. 0.9733 C. 0.8573 D. 1.0274
Mathematics