Which expression is equivalent to the expression (-mn2 + 2n2 - 6m2n) + (2mn2 - 2n2 + 3m2n)?
A
mn2 – 3mn
3 mm2 - 40²
3m2n - mn2
mn2 + 4n2 - 9m?n

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

What additional information could be used to prove abc =mqr using sas? check all that apply.