Three students were given the expression  shown  and were asked to take a common factor out of two of the terms.  use the drop-down menus to complete the statements about whether each student's answer is an equivalent expression. then choose an expression that is equivalent.4-9x+21

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

What is the anwers for 9+2x=5x-3-x

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.