Suppose Skyler invests in an annuity that pays 3.2% annual interest, compounded monthly. If she contributes $155 every month for 10 years, how much interest would she earn during that time? Round your answer to the nearest cent. Do NOT round until you have calculated the final answer.

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.

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.