Let width = w then we have the equation:-
w(w + 12) = 448
w^2 + 12w - 448 = 0
(w - 16)(w + 28) = 0
w = 16
Answer: the dimensions of the window are width 16 by height 28 inches
Doug is 5 years old.
5 + 3 = 8
5 × 8 = 40
Answer:
d
Step-by-step explanation:
