What value of x satisfies the equation 7/3(x+9/28)=20

Franco wants to double the volume of the cone. what should he do?

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

What is the approximate mark up percentage rate before m equals $1740 marked up from p equals $19,422