Find equivalent ratios when the number of books ordered is 1, 2, and 3. write them as ordered pairs in the form (x-coordinate, y-coordinate). starting from the origin, explain how to plot the three equivalent ratios on a coordinate grid.
number of books. cost (dollars)
7. 21
8. 24
9. 27

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .