The largest segmented ground-based telescope is the Gran Telescopio Canarias in Spain. Its mirror is made up of 36 hexagonal segments, which each have a side length of 0.9 meters. What is the total area of Gran Telescopio Canarias’s mirror?

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?

3/8 of the students in ms. mull’s class ride the bus. if there are 24 students in the class, how many students ride the bus?