The circumference of a circle is 25pi. What is the area?

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Solving algebraic equations 2m+3=11

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