The scale of a model airplane is 1: 72.

if the wingspan on the model airplane is 7 inches, then the actual wingspan is

a. 540 feet
b.72 feet
c. 45 feet
d. 9.6 feet

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?

When you find the area of a triangle do you use in. or in2