Explain why both polygons a and b are pentagons

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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?  

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain