Help. Graph the following system of inequalities.

A. W
B. Y
C. X
D. Z

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

What is the area of the shaded sector?

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.