Answer:
5 feet
Step-by-step explanation:
P = 2(w + l)
P = 34
l = w + 7
34 = 2 (w + w + 7)
34 = 2w + 2w + 14
34 - 14 = 4w
20 = 4w
w = 5 feet
Since l = w + 7
l = 5 + 7
l = 12 feet
Answer: MARK BRAINLIEST
23x
Step-by-step explanation:
x^3+x^2+5x+5 = 23x
Subtract 4 from each side
Divide both sides by 5
Take square root of both sides
Add 3 to both sides