The slope-intercept form:

m - slope
b - y-intercept
<em>subtract x from both sides</em>
<em>change the signs</em>

It's a linear function.
We need only two points to plotting a graph.
We choose any three values of x and calculate y.

Step-by-step explanation:
4:6 as a fraction is 4/6
4/6 in its lowest terms is 2/3
hope this helps
Answer:
$7.50
Step-by-step explanation:
Find the Unit Rate, definition of Unit rate find the cost of 1 icecream.
Set up a ratio 6:22.50
Divide both by 6 to get 1:3.75
So 3.75x2=7
Answer:
x=65
Step-by-step explanation:
90 degree angle
90-25= 65
He would spend $27.50, because each bag costs $5.50. Multiply that by 5 and you have your answer :)