(_12)+7 what is solution

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

If i have 20$ and i gave 5$ away how much i got