If a = 7 and b = 3 evaluate the following expression :

3a - 2b

( if you help with more I’ll mark you as brainliest)

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 is the graph of this function 3 square root of x plus one if

What is the measure of angle x? a.101 b.158 c.44 d.79