If 6 out of 30 people over the age of 100 are male how many are female

Find the multiplicative inverse of 8-12i

Solve 3x-18=2y and 5x-6y=6 by elimination show work

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.