A triangle has side lenghts that measure 12 inch 14 inch and 20 inch , is it a right teiangle? Explain

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17