21/5 + 6 4/5 =? 6 5/12 - 2 1/12 =?
11 8/9 + 4 1/3 =? 7 1/6 - 5 3/4 = ?
11/18 + 6 1/10 = ? 15 1/3 - 2 5/8 =?

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 triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

Solve the equation by completing the square. x^2+2x=17