Nicole can pick forty bushels of apples in 15 hours. Carlos can pick the same amount
in 11 hours. How long would it take them
if they worked together?

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?  

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28