Which of the following quadratic equations has the solutions x=-20 and x=9? show your work.

a) (x+20) (x-9)
b) (x-20) (x+9)
c) (x-5) (x-4)
d) x^2+11x-180
e) x^2-11x+180
f) x^2-9x+20

What could explain what happened when the time was equal to 120 minutes

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset