Aconstruction company spends ww weeks extending an existing road. the existing road is 7 miles long. each week the company completes 0.5 miles of the extension. which equation models the total length, ll , of the road over time? a l=0.5w+7l=0.5w+7 b l=0.5w−7l=0.5w-7 c w=0.5l+7w=0.5l+7 d w=0.5l−

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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.

Find the domain and range of the following function f(x) = 51x - 21+ 4