Jacob has $1.20 worth of nickels and dimes. He has twice as many nickels as dimes. Graphically solve a system of equations in order to determine the number of nickels, and the number of dimes , y, that Jacob has .

The number of lattes sold daily for two coffee shops is shown in the table: lattes 12 52 57 33 51 15 46 45 based on the data, what is the difference between the median of the data, including the possible outlier(s) and excluding the possible outlier(s)? 48.5 23 8.4 3

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?