The area of the entire rectangle to the right is x(x+4). Find another expression for this area by finding the sum of the areas of the smaller rectangles.

x² + 4x

Step-by-step explanation:

Divide the rectangle into a square with sides 'x' and a rectangle with sides 'x' and '4'

(x)(x) + (4)(x)

x² + 4x

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

i think its a and d

step-by-step explanation: