Change 50% to a decimal, then a fraction.

Find the quotient. 50a2 – 98b2 -5a +7b

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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