7 + a = 9 ; a = What is ;A

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Ineed with number 6 , explain how to get 1978

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick