Solve the problem.Police officers investigating an accident scene can determine the actual speed of the vehicle involved using the length of its skid mark on the pavement. They use the formula speed = S1/2, where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of m. Use the formula to determine the actual speed to the nearest tenth given   

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A. 67.5 mph
B. 95.0 mph
C. 36.9 mph
D. 55.1 mph


Answer: D

Mathematics

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Decide whether the given inequality is true or false.-6 > -6

A. True B. False

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Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.a = 7, b = 2; find sec A.

A.
B.
C.
D.

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Simplify. Assume that all variables represent positive real numbers.

A.
B.
C.
D.

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Write the interval as an inequality involving x. Graph the inequality.[-5, -1)

A. -5 < x ? -1

B. -5 ? x < -1

C. -5 < x < -1

D. -5 ? x ? -1

Mathematics