James must share a bag of pens equall amongst a group of people. He first gives each person 7 pens, but then finds that he is 2 pens
short. Instead, he gives each person 6 pens, and has 21 left over. How
many pens were in the bag and how many people were there?

What is the value of x? enter your answer in the box. (cm)

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?

Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8