Solve the problem.On our moon, the acceleration of gravity is 1.6 m/sec2. If a rock is dropped into a crevasse, how fast will it be going just before it hits bottom 45 seconds later?
A. 72 m/sec
B. -36 m/sec
C. 3240 m/sec
D. -72 m/sec
Answer: D
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Solve the problem.Given the following voter profile, determine which candidate (if any) is a Condorcet Candidate and who will be selected using the Borda Method. Does the Borda Method violate the Condorcet criterion for the voter profile? 
A. c, c; no B. a, a; no C. a, c; yes D. c, a; yes
Solve the problem.The length and width of a rectangle have a sum of 78 feet. What dimensions give the maximum area?
A. Length 29 ft and width 49 ft B. Length 30 ft and width 48 ft C. Length 38 ft and width 40 ft D. Length 39 ft and width 39 ft
Estimate the sum or difference by first rounding each value to the indicated place value.55.017 - 1.8911
round each to the nearest one
A. 54 B. 53 .1 C. 53 .2 D. 53
Simplify.|0|
A. 
B. -1
C. 1
D. 0