Solve the problem. If the answer is an amount of money, round to the nearest dollar.The parking lot at a grocery store has 75 cars in it. 92% of the cars are blue. How many cars are blue?

A. 69 cars
B. 82 cars
C. 690 cars
D. 8 cars


Answer: A

Mathematics

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Decide if the number is rational or irrational.1.28252927...

A. Irrational B. Rational

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Graph the pair of parametric equations with the aid of a graphing calculator.x = 4 cos t + cos 4t, y = 4 sin t - sin 4t, 0 ? t ? 2?

A.

B.

C.

D.

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Find an equation of an ellipse satisfying the given conditions.Foci: (0, ±4), vertices: (0, ±5)

A. 25x2 + 9y2 = 225 B. 25x2 + 9y2 = 650 C. 25x2 + 9y2 = 641 D. 25x2 + 9y2 = 425

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Tell whether the graph of the function opens up or down.P(x) = -3(x - 5)2 - 1

A. up B. down

Mathematics