For sale, a store decreases its price on all items by 25%. an item that cost $120 before sale now costs $120 - 0.25($120). use the distributive property to write an equivalent expression for the items cost now.

see the explanation

Step-by-step explanation:

we have

Applying the distributive property

----> equivalent expression

Let

x ----> the cost before sale for the items

A general expression for the items cost now is

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)