Solve the problem.In hockey, a defenseman's plus/minus record (+/- total) determines his success. If he is on the ice for a goal by the opposing team, he gets a -1. If he is on the ice for a goal by his team, he gets a +1. Suppose that a defenseman is on the ice 0 times when his team scores a goal and 3 times when the other team score a goal. What is his +/- total for the game.?
A. -3
B. +1
C. 0
D. +3
Answer: A
Mathematics
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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 3 sec of fall and the speed at the instant 
A. 49 ft/sec; 98 ft/sec B. 48 ft/sec; 96 ft/sec C. 24 ft/sec; 48 ft/sec D. 96 ft/sec; 49 ft/sec
Mathematics
Evaluate the expression to determine the entry missing from the table.
A. 
? 5 + 5 is -5
B. 
? 4 + 5 is -3
C. 
? 5 + 4 is -6
D. 
? 4 + 4 is -4
Mathematics
Add and simplify.
A. 37
B. 39
C. 38
D. 38
Mathematics
Graph the solution set of the system.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Mathematics