Find the reference angle of the given angle.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the sum of the geometric series for those x for which the series converges.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.15 is not a prime number because
A. its factor pairs are 3 × 5. B. 15 is not divisible by any number except 1 and itself. C. it has 1 as a factor. D. its factor pairs are 1 × 15, 3 × 5.
Mathematics
If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.II, 
A. Positive B. Negative
Mathematics
Find the linear function that is the best fit for the given data. Round decimal values to the nearest hundredth, if necessary.
A. y = 1.05x + 11.8 B. y = 0.95x + 11.8 C. y = 0.95x - 11.8 D. y = 1.05x - 11.8
Mathematics