1. Signs are the same the answer is positive. If the signs are different the answer is negative. Even # of signs the answer is positive. Odd # of signs answer is negative.

2. When the scale factor is smaller then one the new figure (dilation) is smaller then the original.

3. Find the missing value 1.Cross multiply 2.Divide both sides by four.

4. Use this if you're looking for C. A2+B2=C2. If you know C2 use. C2-A2=B2

5. Theoretical probability is what should happen in a given event.

6. Divide by 2 when the number ends in 2,4,6&8

7. Signs are the same the answer is positive. Signs are different the answer is negative.

8. Scientific Notation is a way of expressing really big numbers or really small numbers.

9. Lateral without the base. Total all surface area. Surface Area finding the area of all sides and adding up.