The compound used to grow orchids is made from 3 kilograms of moss for every 5 kilograms of pine bark. If 12 kilograms of the compound are to be prepared, how many kilograms of pine bark are needed?

How many days was the temperature above 90 degrees?

Determine the relationship of ab and cd given the following points

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles