1pizza cut for 3 do each person it a half, a third or a fourth?

Can someone me with my hwplz(only the circled ones)

What’s 8y+48 and factor each expression completely

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.