Pls answer my math questions
the endpoints of line rs are r(1, -3) and s(4,2). find rs
the endpoints of line cd are c(-8,-1) and d(2,4). find cd
the midpoint of line ac is m(5,6). one endpoint is a(-3,7). find the coordinates of endpoint c.

What is 1.5% of 120 or what number is 1.5% of 120

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas