Find the value of Y! please help

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0