Lawrence spent $1.89 on a bottle of paint and $0.45 on a brush. Part A
What was the total amount he spent?
Use the model to help you.

Part B
Explain how the model helps you find the sum.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Which of the following statement about pascal's triangle are true?

What is the point slope form of a line with slope -5 that contains point (2,-1)