Roberto is dividing his baseball cards equally between himself, his brother, and his 3 friends. Roberto was left with 5 cards. How many cards did Roberto give away? Enter and solve a division equation to solve the
problem. Use x for the total number of cards.
The equation is

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?  

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

Which of the following best describes the delian problem?