The standard form: Ax + By = C.
We have:

<h3>Answer: x - 4y = 8</h3>
Answer:
$6.75 dollars
Step-by-step explanation:
Answer:
A=49 degrees
a= 41 degrees
b=90 degrees
Step-by-step explanation:
its asking for the degrees?
Answer:
100°
Step-by-step explanation:
Supplementary means the sum of the angles is 180°
so we add 4+5 = 9
180/9 = 20
20 now we multiply according to the ratio
20x4:20x5
80:100
the measure of the largest is 100°