At The local pet store zebrafish cost $2.10 each and neon Tetris cost $1.85 each if Marcia bought 13 fish for a total cost of $25.80 not including tax how many of each type of fish did she buy

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

If the value of cos330°is√3/2 then find cos 165°.