I need help with 16,17,and 18! I WILL MARK YOU BRAINLIEST!!!

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?

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