Add or subtract. Simplify the answer.18
+ 15
A. 32
B. 34
C. 18
D. 33
Answer: D
Mathematics
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Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.3 cos2 x + 2 cos x = 1
A. {51.8°, 128.2°} B. {49.8°, 130.2°, 229.8°, 310.2°} C. {70.5°, 180°, 289.5°} D. {103.2°, 145.2°, 283.2°, 325.2°}
Mathematics
Solve by any method.(5p + 3)2 = -17(5p + 3) - 72
A. {-8, -9}
B. 
C. 
D. 
Mathematics
Find an equation of variation for the given situation.y varies inversely as x, and y = 6 when x = 14
A. y = 
B. y = 
C. y = 
D. y = 84x
Mathematics
Solve.
= 9
A. 2 B. 13 C. 36 D. 12
Mathematics