Write a proportion to find how many points a student needs to score on the
test to get the given score.
1. Test worth 60 points; test score of
60%.

Find the quotient. 50a2 – 98b2 -5a +7b

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

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.