Find the difference of functions s and r shown below.
r(x) = -x2 + 3x
s(x) = 2x + 1

(s-r)(x) =

The graph shown is the graph of which function?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288