Idon't get it bc how can i solve

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

What is the base of 1/9 to the power of 2

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. determine an equation to model his situation?