Assume p is F, q is T, and r is F. Find the truth value for the compound statement:
?

?

A. F
B. T

Answer: B

Mathematics

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Use your estimation skills and the percent shortcuts to select the most reasonable answer. Do not write an equation and solve it.100% of $1280 is how much?

A. $427 B. $1280 C. $0 D. $2560

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Find the standard equation of the sphere with center C and radius r.

C(4,-1,1); r=6

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Solve.15 - p = 26

A. -11 B. -12 C. 11 D. 42

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Solve.The function h = -16t2 + 16t + 272 gives the height h, in feet, of a coin tossed upward from a balcony  high with an initial velocity of 16 ft/sec. During what interval of time will the coin be at a height of at least 80 feet?

A. [0, 1] B. [3, 4] C. [4, 8] D. [0, 4]

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Mathematics