Answer: the answer is 7.5
Step-by-step explanation:
To find the area of a circle find the radius and square it then multiply by PI
Area = PI x r^2
A subtraction problem can be turned in to an addition problem because of negative numbers. Take 5-2=3 for example. If you change 5-2 into an addition problem then you would but he addition sign and a negative sign on 2. This will then leave you with the problem looking like 5+ -2. If you add 5 and -2 you will still get three.
A mother function is the simplest function of a family of functions.
