There are 1313 people in an office with 66 different phone lines. if all the lines begin to ring at once, how many groups of 66 people can answer these lines?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

Which of the functions below could have created this graph?