Subtract (7y^2-5y-9) from the sum of (4y^2+3) and (4y+2)

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

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

Elm street is straight. willard's house is at point h between the school at point s and the mall at point m. if sh = 3 miles and hm = 4.5 miles, what is the value of sm in miles?