Simplify
12(3) - 12(2) =

what’s the answer

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.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?