1/5x+1/3=4/3 what’s the answer

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers