Evaluate the expression when m=4.
m^2 + 6m + 8

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

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.

What is the foctored form of 9x²+7x+3?