Pls help

If y + 81 = h then what is h and what is x

Answer this question, only if you know the answer. 30 points and brainliest!

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

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?