Answer:
Step-by-step explanation:
tan 17=h/18
h=18 tan 17
tan 38=(h+x)/18
h+x=18 tan 38
h+x-h=18 tan 38-18 tan 17
x=18(tan 38-tan 17)≈8.56
C
There are 6 units in the numberline, and 2 are shaded. So, 2/6 are shaded.