Mary drove at a constant speed of 60 miles per hour. How far would she travel if she drove for 4 hours?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Henry's butcher shop uses an electronic scale that measures to 1/100 of a pound. which is the most accurate measurement based on the limitations of the scale that might be found on a package of meat sold by henry?

The base of a pyramid is a square with 5 lines of 5cm the slant height of each lateral face of the pyramid is 6 cm what is the surface area of the pyramid