the formula Sn=(a1+an/2) is used to sum of an arithmetic series. which of the following formulas correctly solves for n?

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

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.

Do you mind if you guys me with this question i’m on number 8