The formula q=mct where q=heat flow m=mass, c specfic heat, and t change of temperature is used to calculate heat flow solve this formula for t

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

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Which is the focus of a parabola with equation y2=4x