### Home > CC1MN > Chapter 2 > Lesson 2.2.1 > Problem 2-40

2-40.

Add or subtract.

Refer to part (b) of problem 2-28.

Refer to part (c) of problem

2-28.

Remember to show your work.

Refer to part (a) of problem 2-28.

Remember to show your work.

2-40.

Add or subtract.

Refer to part (b) of problem 2-28.

Refer to part (c) of problem

2-28.

Remember to show your work.

Refer to part (a) of problem 2-28.

Remember to show your work.