Answer:324x^3-828x^2-63x+-9\20
Step-by-step explanation:
Answer:
A=4ft²
Answerrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
Step-by-step explanation:
Answer:
4 hours and 15 minutes
Step-by-step explanation:
Answer:
12 feet
Step-by-step explanation:
w = width
w+2 = length
w(w+2) = 8
w² + 2w - 8 = 0
(w+4)(w-2) = 0
w = -4 <em>exclude because a length cannot be negative</em>
w = 2
length = 2+2 or 4
P = 2(2)+2(4)
P = 4+8 or 12