What are the missing factors in the factor tree for 45?
45
5
A
B
С

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.