The circumference of an ellipse is approximated by C = 27/a? #6 where 2a and 2b are the lengths of
the axes of the ellipse. Which equation is the result of solving the formula of the circumference for b?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

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