Solve the problem.A wheel with a 30-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 12 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 24.9°
B. 22.9°
C. 20.9°
D. 18.9°
Answer: B
Mathematics
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Add the polynomials. Express your answer in standard form.(7x2 - 8x - 4) + (6x2 - 8x + 7)
A. 42x2 - 8x + 3 B. 13x4 - 16x2 + 3 C. 13x2 - 16x + 3 D. 13x2 - 8x + 3
Mathematics
Solve the problem.Find the exact value of each of the six trigonometric functions of the angle P. 
What will be an ideal response?
Mathematics
Determine whether the equation defines y as a function of x. x = y2
A. function B. not a function
Mathematics
Answer the question or write an explanation.Explain how (-2x)5 and -2x5 are different.
What will be an ideal response?
Mathematics