Answer:
I assume your goal is to rationalize the denominator -
So you need to multiply the denominator by its conjugate.
So we have:

->

gg
Well,
we know that we need to accumulate points from x and y to reach 20 points.
since x provide 3 and y provide 4 points, the formula would be :
3x + 4y = 20
or it can be written as :
y = (3x/4)+5
hope this helps
Answer:
y=mx+b
Step-by-step explanation:
Y = 7.25x
Where x = hours.
You can get this by dividing the amount by the amount of hours in each pair.