The following weight measurements were taken from a random sample of 20 items, and the weights are assumed to be approximately normally distributed. Calculate the 95% confidence interval for the mean weight of the population..95 .85 .92 .95 .93 .86 1.00 .92 .85 .81 .78 .93 .93 1.05 .93 1.06 1.06 .96 .81 .96

Write an equation of the line given the two points below (write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6, -4)

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.