There are 8 tablespoons in 12 cup. How many tablespoons are in 212 cups?

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1

In the next 10 month,colin wants to save $900 for his vacation.he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?

Me because i don't understand how to do it.: )