How do you find the sum of 12/13 +(-1/13)

What is (28 + 7 + 6 + 3) x 1/2 show your work

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

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.