50points! True or False, (-1,5) is a solution for these systems of equations.
y = -x + 4
y = 0.2x

What is the y-coordinate of the solution of the system of equations? [tex]y = 2x + 14 \\ - 4x - y = 4[/tex]y=

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)