(ASAP!)Ann had k stickers. She gave 12 of them to Kelly, and then she gave t of them to Fred. How many stickers does Ann have left?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Hundred and tens tables to make 430 in five different ways

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters