Practice determining slope in tables and graphs. Assignment Which of the following properly describe "slope"? Select all that apply. 12 - XX X2 X 12- run / rise rise / run ratio of the change in y-values (rise) for a segment of the graph to the corresponding change in x-values (run) ) Intro Done

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in: