The difference of two numbers is 8. When twice the first number is added to three times the second number, the result is 51. what are the two numbers? A.
12 and 4

B.
15 and 7

C.
20 and 12

D. 23 and 15

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