Ihave 22 coins that add up to $3.10. and i only have nickels, quarter and dimes. the number of dimes is the same as the number of quarters. how many of each type of coin do i have?

How many $20 bills do you need to have to make $280

5x−4≥12 or 12x+5≤−4 can you with this problem

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?