Which is the correct form of the quadratic formula? a) x = b ± b2 - 4ac a b) x = b ± b2 - 4ac 2a c) x = - b ± b2 - 4ac a d) x = - b ± b2 - 4ac 2a

Why do interests rates on loans to be lower in a weak economy than in a strong one

One positive number is 9 more than twice another. if their product is 95, find the numbers

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.