# How Old is Your Dog in Human Years?

This video compares two models for determining a dogs age in human years.

# Mathispower4u is now in Spanish!

Mathispower4u Update

# Annual Depreciation of a New Car: Find the Future Value

This video determine the future value of a vehicle using annual depreciation.

# Ex 1: Find the Probability of a Z-score Being Less Than a Given Value on a Newer TI84

This video explains how to use a newer TI84 graphing calculator to determine the probability that a z-score is less than a given z-score for a standard normal distribution.

# Ex 2: Find the Probability of a Z-score Being Greater Than a Given Value on a Newer TI84

This video explains how to use a newer TI84 graphing calculator to determine the probability that a z-score is greater than a given z-score for a standard normal distribution.

# Ex 3: Find the Probability of a Z-score Being Between Two Z-score on a Newer TI84

This video explains how to use a newer TI84 graphing calculator to determine the probability that a z-score is between two given z-scores for a standard normal distribution.

# Ex 1: Find a Z-score Given the Probabilty of Z Being Less Than a Given Value

This video explains how to use a TI84 to determine a z-score given the probability of the z-score being less than unknown z-score.

# Ex 2: Find a Z-score Given the Probabilty of Z Being Greater Than a Given Value

This video explains how to use a TI84 to determine a z-score given the probability of the z-score being greater than unknown z-score.

# Apportionment: The New States Paradox

The video explains the new states paradox and provides an example of the population paradox.