While david was riding his bike around the circular cul-de-sac by his house, he wondered if the constant circular motion was having any effect on his tires. what would be the best way for david to investigate this?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

The sum of four times a number and three is two times the number minus twenty nine

Mr.charles cut fresh roses from his garden and gave 10 roses to his neighbor. then he gave half of what was left to his neice. he kept the remaining 14 roses. how many roses did he cut?