Jan has a kids pool that holds 20 gallons of water. it drains as a constant rate. when jan first saw the kids pool, it contained 14 gallons. six minutes later, the pool contained 10 gallons of water. A. at what rate is the amount of water on the pool changing? Use s signed number, and include the unit of measurement in your own answer.(as a fraction)

B. how many more minute will it take for the pool to drain completely?

C. how many minutes before jan arrived what the pool completely full?

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june.how many hours did cody work per week in june?

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

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.