PLEASE! NEED HELP ASAP! WILL GIVE BRAINLIEST! :D

The area of a 30-60-90 triangle is 18√3. How long is the shortest side of the triangle?
a) 6 b)6√3 c)12 d)9√3

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.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Solve 3x-18=2y and 5x-6y=6 by elimination show work