What is 19 divided by 20 using long division & decimals?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

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