What is the best estimate of the measure of the angle shown.

I’m confused on how to work the pie charts

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose