Which of the following number sentences is true?
a
–9 = –(–9)
b
–9 = 9
c
9 = (–9)
d
9 = –(–9)

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.

Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x – 5| (2x – 5) (2x + 5) –(2x – 5) –(2x + 5)

What is the solution to the equation e3x=12? round your answer to the nearest hundredth