Emma buys a game for $26.84. she pays for the game with a $20 bill and two $5 bills. how much change should she receive? - $3.16 list the change in coins and bills. - ? ?

3x + 4y = 5 x- 3y = -7 solve by substitution

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Which will form a composite function?