over the summer alyssa worked and saved 50,000 to use when she goes to college in the fall Alyssa plans to take 400 each month from this saving account to pay for some of her college expenses what is the meaning of y-intercept

Which expression is not a polynomial?

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.

X+y=-4 x-y=2 use elimination with adding and subtraction