12. 17g + 149-69 +g =

13. 13 + 12 -12 + 13x =

14. 17s - 3s + 3s =

15. 14t - 12t + t =

(directions: simplify by combining like terms in each of the following expressions)

i hope you guys can i really appreciate it
(offering 15 points)

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

If you answer 2+2 you will get over 80 points