What js the simlest form of the expresion (14.2a+9.8b)-(13.1b-.2a)-(3.7a+4.8b )

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?

The product of 3 and a number increased by 8 is 31