What is the mean absolute deviation of the data in Table 3 (Number of Siblings)?

At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies

1. what is the measure of ∠abc? what is the measure of ∠abd?

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?