Derek has $4.85 in quarters, Dimes, and nickels he has twice as many dimes and six more nickels then dimes. which equation where is the number of dimes, can be used to represent the situation
O A 25 (4) +100) +563 – 6) = 485
Os 25 (1) + 106) + 56+ 6) = 485
OC 25 (22) + 10(x) + 562--485
OD 25 (2x) + 100)+5+)485

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?