One light year is 5.8697136 x 10^12 miles. how for is 8.333 light minutes?

What is the square root of 45? (step by step working plz)

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?

Can some one me with these questions