(-2-4i) + (1+6i) how do you do this question

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6

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?

Lisette takes an ela exam and got 16 out of 27 questions correct. what percentage of the questions did lisette get correct?