Use substitution to check your solutions. (Substitute
each solution into the original
equation. Check that it makes
the equation = 0.)

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

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

What is 1.5% of 120 or what number is 1.5% of 120