This video explains how to determine the perimeter and area of 4 semicircles or half circles.

# formula

# Lesson: Factoring a Sum or Difference of Cubes

This video verifies for factoring formulas and provides examples on how to factor a sum or difference of cubes.

# Determine a Linear Equation in Slope-Intercept Form Given Two Points with (0,b)

This video explains how to determine the equation of a line in slope intercept form given two points with one point being the y-intercept.

# Evaluate Logarithms of any Base on the TI-84 (Not using Change of Base)

This video explains how to evaluate a logarithm of any base using the logarithms tool on the TI-84.

# Determine Irregular Perimeter and Area (Square and Half Circles)

This video explains how to determine an irregular perimeter and irregular area of a figure.

# Find Payment, Total Cost, and Total Interest of a Loan with Down Payment

This video explains how to determine the monthly payment, total cost, and total interest with a down payment. The TVM solver is used as well as the loan formula.

# Account Balance and Interest Earned with Simple and Compounded Interest

This video explains how to determine an ending account balance and total interest earned with simple interest and compounded interest.