Give an example of an addition problem in which you would and wouldn't group the addends differently to add

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Find the slope of the line passing through a pair of points

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)