Determine the phase shift of the function.y = 3 cos (8x + ?)
A. 
B. - 
C. -?
D. 8?
Answer: B
Mathematics
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Solve the problem.7 + 11 + 15 + . . . + 223 =
A. 
B. 
C. 
D. 
E. none of these
Mathematics
Find the exact value of the square root without a calculator.
A. 10 B. 0.1 C. 1 D. 0.01
Mathematics
Evaluate the expression for the given values. Expression your answer as a fraction unless otherwise indicated.2x + 8y + 7; x = 2, y = 6
A. 59 B. 19 C. 35 D. 57
Mathematics
Solve the problem.A meter is a unit of measure in the metric system that is approximately equal to 39.37 inches. Gina is 2.05 meters tall. What is her approximate height in inches? (Round to the nearest hundredth.)
A. 8.07 inches B. 80.71 inches C. 805.04 inches D. 80.50 inches
Mathematics