The following data values represent a population. what is the variance of the values? 7, 15, 11, 1, 11 a. 32 b. 18 c. 8 d. 22

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

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