For all x, the expression (5-x)+(2x-3) is equivalent to a. -2x^2+13x-15
b. 2+x
c. 2-x
d.-2+x
e.-2-x

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%.

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

What is the slope of the line that contains the points (-2,1) and (0,-3)