Solve the problem.Two angles are complementary if their sum is 90°. If the measure of the first angle is x°, and the measure of the second angle is (3x - 2)°, find the measure of each angle.
A. 1st angle = 22°; 2nd angle = 68°
B. 1st angle = 22°; 2nd angle = 64°
C. 1st angle = 31°; 2nd angle = 59°
D. 1st angle = 23°; 2nd angle = 67°
Answer: D
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Solve the problem.Yvette has up to $4000 to invest and has chosen to put her money into telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 3 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let 
to be invested in telecommunications and 
to be invested in pharmaceuticals.
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Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cot (cos-1 u)
A. 
B. 
C. 
D. 
Graph the equation by finding the slope and y-intercept.4x + y = 7
A. 
B. 
C. 
D. 