CD Express offers 4 CDs for $60. Music Place offers 6 CDs for 75$ Which stores offer is the better buy? Explain

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

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