Sam's scores for seven games of bowling are shown. 156, 177, 143, 151, 167, 161, 159
If Sam had scored 3 more points in each game, how would it have changed his mean
score?
A It would decrease by 3 points.
B It would increase by 3 points.
C. It would increase by a factor of 3.
D. It would not change.

Need on this geometry question. explain how you did it.

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x