The probability that the mean of a random sample of 17 pregnancies is less than 260 days is approximately? Refer to picture

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)