A. If 100 grams (about 0.22 pounds) of strontium-90 are released by accident, how much of that radioactive substance will still be around after 1 year?
After 2 years? After 3 years?

Do, h = (7, 9) (14, 18) the scale factor is

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%