Linear Relations

Watch the video to learn about Extrapolating and Interpolating Data on a 
graph. 
https://youtu.be/Y9HG8q_NuhU 
Try the questions on: 
http://study.com/academy/practice/quiz-worksheet-how-to-extrapolate-interpolate-with-line-graphs.html

Compound Interest

Visit the following site to practice figuring out Compound Interest:

https://www.thecalculatorsite.com/articles/finance/compound-interest-formula.php

Trig Functions

Watch the following video https://youtu.be/VRz2d5yedsg to see how to solve right angles with Trig.

https://youtu.be/VRz2d5yedsg

Answers to Pythagoras Self Assessment

Right Angle Triangles

Use Pythagoras to solve for an unknown side of a Right Angle Triangle.

https://youtu.be/AA6RfgP-AHU

Age Problems

Watch the following video to learn the technique used to solve Age Problems.

https://youtu.be/cLQtqANYg6U  

Coin Problem Resource

Visit the following site if you want sample questions and video explanations:

https://www.onlinemathlearning.com/coin-problems.html