Rico saved $30 to buy office supplies. he needed a binder that cost $9.99 , including tax, and three pens that cost $1.99 each, including tax. how much money will rico have left after he buys the pens and the binder?

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

41/17 as a decimal rounded to the nearest hundredth

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81