Factor the expression below. x2 + 18x+ 81
A. (x - 9)(x-9)
B. (x + 9)(x + 9)
C. (x+3)(x + 27)
D. (x - 3)(x - 27)

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it