There were 7 roses in the vase. Melanie cut some more roses from her flower garden. There are now 12 roses in the vase. How many roses did she cut?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Through which points should a line of rotation be placed to create a cylinder with a radius of 3 units