100%/x%=80/20
(100/x)*x=(80/20)*x - we multiply both sides of the equation by x
100=4*x - we divide both sides of the equation by (4) to get x
100/4=x
25=x
x=25
Answer:
4x² - 21x - 18
Step-by-step explanation:
Use FOIL.

Hope this helps.
Answer:
y= -x(x+2)(x-1)².
Step-by-step explanation:
the graph and equation is in the attached picture.
The zeros of function y are: -2; 0 and 1 - they help to determine the required equation.
Answer:
x=20
Step-by-step explanation:
Well first off the cia will say that they didn’t send him, but we know the truth. Second off that number is the last 4 digits to the illuminatis president, Tom Hanks. Lastly, that number is also the number of kids Joe Biden has sniffed in the last year.