Cos B = O.05. what is the approximate measure of angle B

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?