I’m having trouble with this plz help.

The answer is 56. Here's why:

Step-by-step explanation:

Pythagorean Therom works for any right triangle, and it states (a)²+(b)²=(c)². A and B are the height and base, and C is the hyptoanuse. We don't know the height, but we know the rest of the information:

(a)²+(33)²=(65)². This simplifies to (a)²+1089=4225. If we subtract 1089 from each side, we get (a)²=3136. The √3136 (Sqaure root of 3136) is 56.

23

step-by-step explanation:

x/3-10=8

x/3=18

x=48