URGENT. The cover of a science textbook has a width of (x-2) and a length of (x^2 -5x+4) inches. Find the area of the cover of the science textbook.

What value of x is in the solution set of 4x – 12 s 16 + 8x?

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Me. i can't figure out this question. give an explanation too. .