What is the measurement of a square

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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.