Ms. smith has 28 sixth graders and 35 seventh graders for math. if she wants to break the two grades into identical groups without any students left over, how many students will be in each group? is it lcm or gcf?

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?