BRAINLIEST FOR CORRECT ANSWER!!! Choose the slope-intecept form of the equation of the line through the given points.

through: (1,5) and (-3,1)

A) y= 1/2x + 7/2

B) y= 3/2x + 7/2

C) y= 2x + 7/2

D) y= -2x + 7/2

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest