76 points for free plus brainlest what 0+1=?

For which pair of functions is (gof)(a)=|a|-2?

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?