The length of a rectangle is 3 times its width. write and evaluate an expression for the length of the rectangle.

3w

Step-by-step explanation:

if w is the width, then 3w is the length because it is 3* the width

+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

the answer will be the last one