Solve the problem.Two angles are complementary. The sum of the first angle plus twice the second angle is 100°. Find the measures of the angles.
A. 26°, 37°
B. 80°, 10°
C. 170°, 10°
D. 75°, 15°
Answer: B
Mathematics
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At what points is the given function continuous?f(x, y, z) = 
A. All (x, y, z) such that x ? 0 and y + z ? 0 B. All (x, y, z) in the first octant C. All (x, y, z) such that x - y - z ? 0 D. All (x, y, z)
Mathematics
Find the area enclosed by the given curves.y = csc 2 x, y = cot 2 x, x = 
, and x = 
A. 
B. 
C. 
D. ?
Mathematics
Find the x- and y-intercepts of f.f(x) = (x + 3)2
A. x-intercept: -3; y-intercept: 9 B. x-intercept: -3; y-intercept: 0 C. x-intercept: 3; y-intercept: 0 D. x-intercept: 3; y-intercept: 9
Mathematics
If 
and 
, find cos ?.
What will be an ideal response?
Mathematics