Janet makes $4.50 an hour for her first hour of work, $7.00 for her second hour, $9.50 for her third hour and so on. How much money will she earn on her 15h hour of work?

What is the inverse of the function f(x)=4x+8

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Can someone me with these two circle theorem questions asap?