There are 3 ways to go from A to B and 4 ways to go from B to C. How many different ways are there to go from A to C passing through the B?

Let's say you have a weird relationship with a friend, where each week each of you can choose to either be a bad friend or a good friend. Then, each of you will get some amount of happiness according to the following table: You're a bad friend You're a good friend Your friend is a bad friend You get 5 happiness You get 10 happiness Your friend is a good friend You get +10 happiness You get +5 happiness 1. How would you choose whether to be a good or bad friend each week to maximize your happiness? What sort of strategy might you choose? Does it depend on what your friend chooses? We'd highly recommend looking at evolution of trust for some ideas on possible strategies. Note that you can change what you choose for different weeks.

There are only seven seats in a van. One of the seats is modified to fit only a baby and one is the driver's seat. The number of ways that six adults and a baby can be legally seated in the van if only 5 of the adults are licensed to drive is

for every 2 minivans there are 5 other types of vehicles if there are 161 vehicles how many of them are not minivans?

There are 3 ways to get from Town A to Town B, 4 ways to get from Town B to Town C, and another 5 ways to get from Town C to Town D. In how many different ways could we get from Town A to Town D?

A person has 4 hats, 3 pairs of gloves, and 5 scarves. Assuming they all match, how many ways can this person choose 1 hat, 1 pair of gloves, and 1 scarf on a cold day?

You need to fly from NYC to LA with a stopover in Dallas. If there are three different flights available from NYC to Dallas and four different flights available from Dallas to LA , now many different trips can you take?