Evaluate the following algebraic expression when x = 3 2x2+ 5x - 10

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

If chord ab is congruent to chord cd, then what must be true about ef and eg?

The surface area of the triangular prism is .