For (x)=3x+1 and g(x)=x^2 -6, find (f+g)(x)

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.