Oliver is training for a marathon. In practice, he runs 15 kilometers in 72 minutes. What is the speed in kilometers per hour?

Suppose you buy a piece of office equipment for $18,000. After 4 years you sell it for a scrap value of $4,000. The equipment is depreciated linearly over 4 years. The rate of depreciation of the piece of equipment is

How many trucks can you make from 4 models, 5 colors and 3 engines

What is the difference between a frequency polygon and an ogive?

Jan has a 12 ounce milkshake. Four ounces in the milkshake are vanilla, and the rest is chocolate. What are two equal fractions that represent the fraction of the milkshake that I vanilla.

Find the length of the hypotenuse in each diagram 8cm 15cm

A science teacher ordered $660 worth of microscopes and dissection kits for the new science lab. A total of 22 microscopes and 44 dissection kits were ordered. A microscope costs three times as much as a dissection kit.

The square root of a 100 is it a whole number or natural number

How do u expand 500,000

How does the volume of a sphere with radius 2cm compare to the volume of a sphere with radius 1cm

6 yards to 36 yards. Find the percent of change. Round to the nearest tenth of a percent if necessary.