If a quadratic equation in perfect square form equals a negative number, how many solutions will it have?

Ihave trouble finding the nth term of a linear sequence

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

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.