Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 5 sec of fall and the speed at the instant 
A. 160 ft/sec; 81 ft/sec
B. 40 ft/sec; 80 ft/sec
C. 81 ft/sec; 162 ft/sec
D. 80 ft/sec; 160 ft/sec
Answer: D
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For the following question(s), refer to the tournament digraph below. The vertices of the digraph represent five tennis players in a round-robin tournament. An arc XY represents the fact that X defeated Y in the tournament.
How many games were played in the tournament?
A. 10 B. 5 C. 32 D. 5! E. none of these
______ are assets that must be purchased in large, discrete units.
A. Fixed assets B. Lumpy assets C. Spontaneously generated assets D. Excess capacity assets E. Long-term assets
Simplify the expression. First use the distributive property to remove any parentheses.-5(2x + 3)
A. -10x - 15 B. -3x - 2 C. -25x D. -10x + 3
Determine the nature of the system of equations.
A. Consistent with dependent equations B. Inconsistent with independent equations C. Consistent with independent equations