At a parade, 1/4 of the participants have red hair, 1/6 of them have brown hair, and the rest of the participants have black hair. what fraction of the participants have black hair?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Give me the equations of two lines that have the same slope but are not parallel.

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample