Answer:
21 units
Step-by-step explanation:
X+2 is the correct answer
Answer: 22.6
Step-by-step explanation:
Delta math answer , trust me
The width of the mat around the photo is 3 inches
The combined area of the of the photo and math = 224 square inches
The combined area is represented as:
(2w +8)(2w + 10) = 224
Expand the equation using the distributive rule

Divide through by 4

Factorize the resulting quadratic equation to solve for w

w - 3 = 0
w = 3
w + 12 = 0
w = -12
The width of the mat around the photo is 3 inches
Learn more on area here: brainly.com/question/20968176