Problem 3 Find the value of x.​

The sum of two numbers is 86, and their difference is 20. find the two numbers

What is the reflection image of (5,-3) across the line y = -x?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.