The daily cost of hiring an electrician, yy, to work xx hours on a repair project can be modeled using a linear function. The electrician charge a fixed cost of $70 plus an additional cost of $55 per hour. The electrician works a maximum of 7 hours per day. For one day of work, what is the domain and range of this function?

Cor d? ? 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.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air