How to find the distance between the points. round to the nearest tenth. (-5,1) ,(2,4)

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?