One of the legs of a right triangle has vertices with coordinates (-2,4) and (10,0). Which of the following could represent the equation of the line that represents the other leg of the right triangle?
y = 3x + 10
y= 3x - 30
y=-3x + 10
y=-3x + 30

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 does the sign of the slope tell you about a line?

10 points? me . its important ‼️‼️