17. Before rock climbing, Michelle wants to know how high she will climb. She places a mirror on the
ground and walks backward until she can see the
top of the cliff in the mirror. She drew a sketch of
the situation. What is the height of the cliff?
Top of cliff
mirror
40
16
A 16.5
B. 17.5
OC20
D 22

Julia measured the high temperature in her town for one week. using the chart above, find the mean absolute deviation for the high temperatures. round your answer to the nearest tenth. be sure to show your work for finding: the mean of the set of data the distance of each number from the mean the mean absolute deviation

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

True or false? a circle could be circumscribed about the quadrilateral below.