The width of a rectangle is 5x -5.5 feet and the length is 5.5x + 10 feet. Find the perimeter of the rectangle.
The perimeter of the rectangle is feet.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

How are algebraic expressions evaluated using substitution?