Answer:
y=4/5x
Step-by-step explanation:
y=mx+b
plug in y and x into each equation and solve!
4=5m+b
8=10m+b
4=5m
m=4/5
b=0
y=4/5x+0
Answer:
45
Step-by-step explanation:
Answer: the answer is 1
Step-by-step explanation: khan academy
Variable
variables are any letters you use, such as in 3x, x is your variable. It holds an unknown value
