Is the percent of change from 86 to 77? round to the nearest percent!

10%

Step-by-step explanation:

The difference between 86 and 77 is 9.

Divide 9 by 86

Multiply by 100

Round to the nearest percent

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x