Write the expression in terms of sines and/or cosines, and then simplify.sec ? + sin ?
A. 
B. 
C. 
D. sin ?
Answer: B
Mathematics
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Which of the following does not represent the concept of surface area? ?
A. ?The visible surface you can see. B. ?The area of each visible surface. C. ?The space the shape takes up. D. ?S = 2wl + 2wh + 2lh E. S = 2(wh + wl + hl)?
Mathematics
Find the value of the expression.log 8 
A. 0 B. 1 C. -1 D. 8
Mathematics
Express the number as the ratio of two integers.0.909090 . . .
A. 
B. 9
C. 
D. 
Mathematics
Classify the triangle as scalene, isosceles, or equilateral.
A. equilateral B. isosceles C. scalene
Mathematics