A grocer professes to sell his homemade cooking oil at the cost price, but he mixes it with vegetable oil, which he gets for free and
thereby, gaining 30%. The approximate percentage of vegetable oil
in the mixture is:

What is the volume of a rectangular crate that has dimensions 9 inches by 9 inches by 1 feet? 1,458 in.3 121.5 in.3 1,012.5 in.3 36 in.3

An incoming airplane is x miles due north from the control tower at an airport. a second incoming airplane is y miles due east of the same control tower. the shortest distance between the two airplanes is z miles. which of the following functions would best model the situation above?

If the average of x,y and z is 15 what is their sum