The coordinates of the endpoints of a line segments are (3,1) and (-5, 9). find the coordinates of the midpoint of the line segment
a. 4,5
b. -1,5
c. -2, 4
d. -2, 8

Find two rational expressions that have the difference of 2-n/n-4

Answer this 30 points and brainliest!

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%.