Answer this question to chick you knowledge

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

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.