4 12 36 108 324 what is the term to term rule in this sequence

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?

Finley's pumpkin had a mass of 6.5 kilograms before he carved it. after carving it, the pumpkin had a mass of 3.9kg. what was the percent decrease in the mass of the pumpkin?

Find the area of right triangle abc.