You will need to use FOIL for this, or distribute.
So you will multiply -7y and 5y, then -7y and 3
Multiply 2 and 5y, then 2 and 3
You will get: -35y²-21+10y+6
Combine like terms:
-35y²+10y-15
There you go!
Answer:
Volume is 144ft³
Step-by-step explanation:
Answer=176ft^2
Area of a square is l x w or 16 x 14=224
Area of a triangle uses the formula ab/2, so it would be 16 x 6/2=48
224-48=176
Answer: 70
Step-by-step explanation:10x70=700+300=1,000
8. 3^6
Reasoning because 3^6 gives you 729