Give an example of a rule for a pattern list a set of numbers that fit the pattern

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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?