A maple tree stands 7 1/4 feet tall. Sandy is going to trim the tree by 2 1/3 feet. How tall will the maple tree be after it is trimmed?

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)