joanne cannot decide which of two washing machines to buy. The selling price of each is ​$660. The first is marked down by ​40%. The second is marked down by ​30% with an additional 10​% off. Find the sale price of each washing machine. Use pencil and paper. Explain why joanne should buy the first washing machine rather than the second if the machines are the same except for the selling price.

Me max 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.

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2