Determine if the relation is a function.{(-4, -2), (-1, 2), (2, -5), (7, -4)}
A. not a function
B. function
Answer: B
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If x = 188 then -(-x ) = ____ .
A. -188 B. 188 C. -x
Find the probability of the event if a single choice is made from a bag.A bag contains 6 red marbles, 2 blue marbles, 4 yellow marbles, and 6 green marbles. What is the probability of choosing a red marble when one marble is drawn?
A. 
B. 
C. 
D. 
Solve the problem.A bank teller has some five-dollar bills and some twenty-dollar bills. The teller has 5 more of the twenties. The total value of the money is $675. Find the number of five-dollar bills that the teller has.
A. 28 B. 18 C. 23 D. 33
If you have ever ridden on a chair lift at a ski area and had it stop, you know that the chair will pull down on the cable, dropping you down to a lower height then when the chair is in motion. The figure shows a gondola that is stopped. Find the magnitude of the tension in the cable toward each end of the cable if the total weight of the gondola and its occupants is 1,900 pounds.
?
Apply the rules regarding the use of significant digits after all computations are complete.
?
?a? = 71.6, ?b? = 74.6
?
?
A. 
B. ?
C. ?
D. ?
E. ?