How to tell if an equation is linear or nonlinear?

Which of the following are steps in the process in solving application problems using the two-order system? Assign two variables for the unknowns. Make a guess for the value of the variables. Write two equations using the assigned variables.

I need to make this expression true by using grouping symbols. 2x2+3^2 - 4+3x5

A bag of potatoes weighs 2 1/2 pounds. How much would 3 1/3 bags weigh?

Suppose one honeybee makes 1/12 teaspoon of honey during its lifetime. hom many honeybees are needed to make 1/2 teaspoon of honey?

The volume of the truck 15 ft cubed. The area of the base of the container is 6 ft squared. What is the height of the clothing truck in feet

The length of a yearbook is 10 inches. The top margin is 1/2 inches and the bottom margin is 3/4 inch. What is the length of the page inside the margins?

Explain the difference between + 8, - 8, |8|

A bag of marbles contains 4 red marbles, 5 yellow marbles, 2 green marbles, and 7 blue marbles. You draw one marble from the bag. What is the sample space for this experiment?

A soccer ball weighs 6 ounces when fully inflated. Raymond has inflated the ball to 4 2/3 ounces. How many more ounces must be added before the ball is fully inflated?

What would 1 3/8 of an hour be?