Find the volume of a regular tetrahedron whose altitude measures 10cm.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

Find the actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.