If my grandma put in 100 dollars every month for collage since i was born and i’m 15 and it’s june how much money do i currently have?

Can someone me out here and the tell me the greatest common factor

Eiko is wearing a magic ring that increases the power of her healing spell by 30%30\%30%30, percent. without the ring, her healing spell restores health points. which of the following expressions could represent how many health points the spell restores when eiko is wearing the magic ring?

Guys can y’all me because i don’t understand to the questions of my cousin she tell me to do the homework plz me guys