Perform the indicated operation. (16m2 + 40m + 25) ÷ (4m + 5) =

4 m + 5
4 m + 15 R. 100
4 m + 15 R. -50
4 m + 5 R. 50

Can someone explain to me how to do

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

How do you find the distance of each number from the mean