ASAP!! can someone help solve any of these? whoever answers the most gets brainliest, i underlined the questions

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

Determine domain and range, largest open interval, and intervals which function is continuous.