Answer:
speed is 240 miles per hour
Step-by-step explanation:
Answer:
n=15
Step-by-step explanation:
5(n+1)=2n+20
U start by expanding the first term which will give you 5n+5
Then after that u collect like terms giving u
5n-2n=20-5
Finally u evaluate it giving u
n=15
It’s (-8z^2 +8x +4y -2z)
Hope it helps
Y = 1
This the answer just trust