According to the key of a particular park map, every 5 inches on the map represents 3 miles of trails in the park. how many inches on the map represents 9 miles on the park trails?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

What is the number 321,000,000 in scientific notation? also what is the number? ?

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?