What is the length of one side of a square if its area is 100 square centimeters?
a. 100 cm
b. 40 cm
c. 25 cm
d. 10 cm user: the cost of one textbook is $14.90. which expression below can be used to compute the cost of 8 textbooks?
a. 8($15.00 $0.90)
b. 8($15.00 $0.10)
c. 8($15.00 – $0.90)
d. 8($15.00 – $0.10)

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

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.