Answer:
-14z^2-5zw+5z-2w^2+6w
Step-by-step explanation:
2z(4w+3z-5)-(2w+5z)(1w+4z-3)
8zw+6z^2-10z-\left(2w+5z)(w+4z-3)
8zw+6z^2-10z-20z^2-13zw+15z-2w^2+6w
-14z^2-5zw+5z-2w^2+6w
Answer:
Step-by-step explanation:
-9x+1=-80
first subtract 1 from both sides
-9x=-81
we divide by -9
x=9
Answer: See explanation
Step-by-step explanation:
3.) Boys║5║<em>10 ║</em>60
Girls ║7║ 14 ║<em>84</em>
7 × 2 = 14
5 × 2 = 10
5 × 12 = 60
7 × 12 = 84
Hope I helped!
Answer:
n=8
Step-by-step explanation:
Swap sides of the equation (8.2n=65.6)
Divide both of the sides by 8.2
Then you get 8
84 = 4x
84 is the total amount of grapes
4 is the number of friend
x = how many grapes each friend will get