Just need the answer thank you

What is the difference between regular convex and concave polygons

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)