Which of the following are polyhedra? Why or why not?

None

Show that A C B = CB c CA

O B. Yes. Ho should be rejected because the P-value of the test is less than a. OC. No. H, should not be rejected because the P-value of the test is greater than a. O D. No. H, should not be rejected because the P-value of the test is less than a. (b) For the second half of the semester, the groups were rotated so that group 1 students moved to the back of class and group 4 students moved to the front. The same switch took place between groups 2 and 3. The attendance for the second half of the semester averaged 70%. The data show the attendance records for the original groups. How many students in each group attended, on average? Is there a significant difference in attendance patterns? Use the p-value approach and use the level of significance a = 0.01. Group Attendance 1 2 3 4 0.77 0.75 0.69 0.59 The number of students who attended in the first group was 308 The number of students who attended in the second group was 300 The number of students who attended in the third group was 276…

ges. The results 89 take French. 92 take German. 44 take French and German. 47 take German and Russian. 19 take French as their only foreign language. 23 take French, Russian, and German.

D.5.

Need help with D and E. Already figured out a,b,c

I also need help with b, c, and d

Findtheslopeofeachline.

Ff.32.