Answer:
If my answer is wrong im really sorry, my answer was C
hope this helped
can i get brainliest
Step-by-step explanation:
2
Please see attached picture for full solution.
-z( 2z^3-5z^2+9z-1)
Apply exponent rule: a^b+c=a^b*a^c
z^2=zz
z^3=z^2*z
z^4=z^3*z
Factor out common term z:
-z(2z^3-5z^2+9z-1)
70x=y
70 per month=y, the cost
c
