Answer:
There are no like terms to therefore the answer is -4x+5y+6z
A. Put these answers into your table :
5, 6.20, 7.40, 8.60, 9.80
B see pic
c yes there is a linear relationship between the letters and cost
D the equation is y=.60x+5
<h3><u>Solution</u><u>:</u><u>-</u></h3>
(3/4)to the power of 3 in form of p/q