Solve.A plane is cruising at 963 kilometers per hour. Convert this to miles per hour. Round to the nearest whole number.

A. 626 mph
B. 1550 mph
C. 1050 mph
D. 597 mph


Answer: D

Mathematics

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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin 2x + sin x = 0

A.
B.
C. 0, , ?, 
D. No solution

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Graph the equation in a rectangular coordinate system.y = 7

A.

B.

C.

D.

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Find the product using one of the formulas for the square of a binomial.(2x + 9)2

A. 4x2 + 36x + 81 B. 2x2 + 36x + 81 C. 4x2 + 81 D. 2x2 + 81

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Perform the indicated operation.(2x2 + 8) - (10x2 - 6)

A. -8x2 + 14 B. 12x2 + 2 C. -8x2 + 2 D. 12x2 + 14

Mathematics