What is 45 percent of 37?
1. 0.1665
2. 1.665
3. 16.65
4.166.5

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Ineed to know the answer to this algebra question.