Estimate the sum by first rounding each
mixed number to the nearest whole number
and then adding:
4 7/12 + 2 1/3
[?]+[] = []

Me. i can't figure out this question. give an explanation too. .

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

How can you find the mean absolute deviation (mad) for this set of data?