Air travel on Mountain Airlines for the past 18 weeks was: Week Passengers 1 176 2 182 3 193 4 192 5 200 6 210 7 213 8 204 9 218 10 224 11 229 12 237 13 235 14 240 15 249 16 259 17 262 18 261 Use regression to develop a forecast for the expected number of passengers for the next three weeks. (Round your answers to two decimal points.)

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

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

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?