1. What is the ratio of circles to all shapes? im failing math rn so uh yeah can someone help​

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?

Sheila and her study partner flipped a coin 120 times. they flipped 70 heads and 50 tails. what is the experimental probability that the next flip will be heads up?

In the expansion of (2m-3n)^9 one of the terms contains m^3. determine the exponent of n in this term