Noor brought 212121 sheets of stickers. She gave \dfrac{1}{3}
3
1

start fraction, 1, divided by, 3, end fraction of a sheet to each of the 454545 students at recess. She wants to give teachers 1\dfrac{1}{2}1
2
1

1, start fraction, 1, divided by, 2, end fraction sheets each.
I dont understand

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Common binomial factor of 6x(3x+7)+5(3x+7)

Which expression and diagram represent “renee biked four times as far this month as last month”?