Pls anwser these two question easy math

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

If there are 3.281 feet in 1 meter, how many inches are in one centimeter