Describe a real-world problem with a variable or variables.

You can use a variable expression to describe a real world situation where one or more quantities have an unknown value or can change in value. To write a variable expression for a real world situation: Figure out which quantity in the situation is unknown and define a variable to represent the unknown quantity.3

variables; it is unkown values such as the w, t, H, and we should find the values given

Step-by-step explanation:

false

step-by-step explanation:

false : it can not go to 9 the highest that part can go is 7

here is your proof