Answer:
A)
3a2 – 2b2 – 2c2 – ab + 5ac + 5bc

Area of den =8x3 = 24ft²
living room = 7x6 = 42ft²
total = 24+42 = 66ft²
Answer: .97 cents
Step-by-step explanation:
$3.88 ÷ 4 bottles of Gatorade = .97 cents each
Here, Just apply Distributive property which tells, a(b + c) = ab + bc
So, -6(-7 - 3k) = 42 + 18k
In short, Your Answer would be 42 +18k
Hope this helps!
4/10 in simplest form is 2/5
6/20 in simplest form is 3/10
10/25 in simplest form is 2/5