A man holds his umbrella vertically up while walking due west with a constant velocity of magnitude 1.5 m/sec while
it's raining. To protect himself from rain, he has to rotate his umbrella through an angle o = 30° when he stops
walking. Find the velocity of the rain.

Solve for x, y, and z. show all steps.

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

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