Solve the problem.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 75°
B. 105°
C. 35°
D. 145°
Answer: C
Mathematics
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Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 9 - 3 cos ?
A. 
?
B. 45?
C. 
?
D. 90?
Mathematics
Determine whether the statement is true or false.If 2n - 1 is prime, then 2n-1(2n - 1) is perfect.
A. True B. False
Mathematics
Find the area of the circle.A circle with diameter 17.4 yd
A. 951 yd2 B. 109 yd2 C. 238 yd2 D. 54.7 yd2
Mathematics
Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.
A. sin x B. cos x C. cot x D. tan x
Mathematics