Amethod used to rearrange a quadratic equation into a squared part and a number. this can allow you to find the vertex of a quadratic or solve a quadratic

for finding the midpoint of any given 2 pair of points simply add the respective x coordinates with other x coordinate and the y coordinate with other y coordinate and divide them by 2

in your question it will be :

(3+1)/2 for the x coordinate of mid point i.e 2

[8+(-4)]/2 for the y coordinate of midpoint i.e 2

so coordinates of mid point of points (3,8) and (1,-4) will be (2,2)

the answer would be 150 books

step-by-step explanation:

if you divide 300 by 2 you will get 150