If a line has a slope of -4 and a y-intercept of 1, which of the following is its graph?

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%.

What is a graph with a never ending line called?

Find the solution of this system of equation -7x+y=-20 9x-3y=36