Nicolas types out 32 lines per page to come up with a 480- page travel memoir. How many pages would the manuscript contain, if it had 20 lines per page?

Can some one me with these questions

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

What should be done to both sides of the equation in order to solve -5m = -40? a) multiply by -5. b) divide by -5. c) multiply by -40. d) divide by -40.