If you wanted to represent 21 different things, how many bits would you need? And Why?

Choose the right classification of 5x + 3x^4 - 7x^3 + 10 by number terms and he degree 1. third degree polynomial 2. fourth degree polynomial 3. sixth degree polynomial 4. first degree binomial

Afarmer has 5 times as many cows as pigs. the farmer only has cows and pigs, and he has 168 animals. how many cows does he have?

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?