To solve the system of equations below, Chen isolated x2 in the first equation and then substituted it into the second equation. What was the resulting
equation?

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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