Sanjay is comparing the cost of cell phone services. The phone he wants costs $50 at Dover Cellular, and the unlimited calling plan through their carrier would cost $3 per day. At Garrison Electronics, Sanjay could purchase the same phone for $60 and also get an unlimited calling plan for $2 per day. After some number of days, the two options would end up having the same total cost. What would the total cost be? SOLVE USING A GRAPHING METHOD

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Someone answer asap for ! 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.