Answer:
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form 
or 
In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin
In this problem we have
Substitute the values and solve for k
therefore
the equation of the line is equal to
112 is the answer. I am not really sure what the parenthesis are for, but those answers in the parenthesis are wrong.
Answer:
question does not seem complete, from what i know it sounds like he should add up the test scores and divide it by five, that will give him his average which should be his grade, please update question if possible
i hope this helped ;)
Answer:
7 1/2y +2
Step-by-step explanation:
Answer:
1 hour would cost $0.35.
Step-by-step explanation:
Divide 3.5 by 10.
