Use your graphing calculator to convert the complex number to trigonometric form. Round the angle to the nearest hundredth of a degree.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Solve using a proportion. Round your answer to the nearest hundredth when necessary.Jared found an old family photograph that was 9 inches wide and 6 inches high. He wanted a copy that was 1.75 inches less wide. What will the height of that reduced copy be? Round to the nearest tenth of an inch.
A. 7.4 inches B. 10.9 inches C. 4.8 inches D. 1.2 inches
Mathematics
Solve the problem.Evaluate cos 
.
A. -1.7 B. 0 C. Undefined D. 1.7
Mathematics
Simplify the expression.
?
What will be an ideal response?
Mathematics
Determine if the function is even, odd, or neither.f(x) = -5x3 + 9x
A. Neither B. Even C. Odd
Mathematics