1. jonie made three trades through her online discount broker; electric inc. charges a fee
of x dollars per trade. jonie's first purchases was for $2,589, her second purchase was
for $3,053 and his third purchase was for $2,100. if the total purchases was $7,841
including broker fees, what does electric inc. charge per trade?

Answer this 30 points and brainliest!

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

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.