Quick!

the length of a text messaging conversation is
normally distributed with a mean of 10 minutes and
a standard deviation of 4 minutes. what is the
probability that a conversation lasts longer than 20
minutes?

Which statement justifies why angle ebc measures 90?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Graph the line with the given slope m and y-intercept b. m=-3,b=1