Tell me this song ain't good
Stuck on you by giveon

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?