Arjun wanted to make note cards by cutting pieces of paper in half. Before starting he got two more pieces to use. When he was done he had 10 half-pieces of paper. With how many pieces did he start?

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)