Yes because 3×2= 6 , 3×5= 15, 15 + 6 = 21
Answer:ot would be 8000
Step-by-step explanation:
Answer:
-12
Step-by-step explanation:
-4-(5+3)
-4-(8)
-4-8
-12
(9+w)w=252 or w(w+9)=252.
The quadratic equation applies: w²+9w-252=0=(w+21)(w-12), so w=12, because a negative zero is meaningless.
So the dimensions are width=12 in and length=21 in.