28. 3a -5(a +2b) +8(4a - b)
product rule
quotient rule what is the answer

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Ineed with this problem 21 show steps