Solve.
= 
A. 4
B. 14
C. 
D. 3
Answer: D
Mathematics
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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 = 23°; 2nd angle = 67° B. 1st angle = 22°; 2nd angle = 68° C. 1st angle = 31°; 2nd angle = 59° D. 1st angle = 22°; 2nd angle = 64°
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Find the indicated term of the geometric sequence.a = 1472, r = 
; Find the 5th term.
A. 
B. - 
C. 5.75
D. -5.75
Mathematics
Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.x - 8i = 9 + yi
A. x = -9, y = 17 B. x = 9, y = -8 C. x = 9, y = 8 D. x = -9, y = -1
Mathematics