3y (3x - 1) - ( 3x - 1) tama "termino común"

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.