Which equation has two real solutions? A. x2 = –100
B.5x2 = 1
C.6x2 + 17 = 11
D.7(x2 + 6) = 42

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling company’s specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?

Write the equation of a line that goes through point (0, 1) and has a slope of 0.