How do you find the mean(average) of a set of numbers. * 1. Sort and find the middle number

2. Add them and divide by how many numbers

3.Subtract the Minimum value from the Maximum value

4.Find the middle value of the first half of the sorted values

5.Find the middle value of the second half of the sorted values

Simplify the expression. -2/5(10+15m-20n)

❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.