Which expression is equivalent to 3 (x - 2) + 2x

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

Mariano delivers newspaper. he always puts 3/4 of his weekly earnings in his savings account and then divides the rest equally into 3 piggy banks for spending at the snack shop, the arcade and the subway

During how many months was the difference between the number of days with homework and with no homework greater than 6?