Determine the exact value of the trig ratios:
cos(13pi/4)
cot(11pi/2)
sec(5pi/3)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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

How do you find the circumfrance of a circle?