THE length and breath of an rectangle are x cm and y cm respectively. If the rectangle has an area of 24cm², state the possible pairs of an integer values of x and y

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x