Answer:
Step-by-step explanation:
From the question we are told that
February Heat 
February Gas 
April Heat 
April Gas 
Generally equation for heating degree-days X is mathematically given by
Generally the equation for gas bill Y is mathematically represented by
The equation representing the relationship between the gas bill (Y) and heating degree-days (X) is
Answer:
h(u)=-7/6u
Step-by-step explanation:
To write a formula for v in terms of u, you need to first isolate v.
4u+8v=-3u+2v
Add 3u to both sides:
7u+8v=2v
Subtract 8v from both sides:
7u=-6v
Divide both sides by -6:
v=-7/6u
Hope this helps!
He has 2/3 left to complete.
He did 5 out of 15 which is 5/15 or 1/3. Therefore he has 1-1/3 or 2/3 left.
It is 9. You have to add 33y, then divide by 11 and you get x = 3y + 9
Walmart: 10 pens/$8.99 -> $.89/pen
Walgreens: 25 pens/$19.75-> $.79
Walgreens has the better deal
