Parallel lines EF and CD
perpendicular lines
GH and EF
neither parallel nor
perpendicular lines
AB and CD

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%.

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form