4x + 5y = 7 3x – 2y = –12 Multiply each equation by a number that produces opposite coefficents for x or y

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.