36
Step-by-step explanation:
5x-6+3x+90=180
8x+84=180
8x=96
x=12
Plug it in to 3x
3x12=36
Answer: d) 4
<u>Step-by-step explanation:</u>

Answer:
Step-by-step explanation:
I believe it’s the 3rd one because it’s all the
y-values aka all the outputs
The rate is the distance over time. So simply divide the distance by time.
rate = 725 miles / 8 hours = 90.625 miles per hour (mph)