Answer:

C

Step-by-step explanation:

140

40m-24n

50*0.8=40

30*0.8=24

I believe it is b) x=-5 only

To find our answer, we are going to use the Pythagorean Theorem, which states:

for a right triangle with sides , , and where and are the legs and is the hypotenuse.

Based on the information given in the problem, we can say and . When we use this information in our formula, we can find :

Our answer is B, 25.