Answer:
bc= 6
Step-by-step explanation:
since the triangles are similar, the sides are in a ratio
xz/ac = 20/4 (5:1)
yx/ba = 15/3 (5:1)
yz/bc = 5:1 = 30/6
Start with the distance equation D=RT, then plug in numbers
194=R x 4.2, so all we have to do is divide 194 by 4.2.
Answer: 46.19 kph
Answer:

Step-by-step explanation:

there are 16 classmates in total including bess and caroline. and there chances as one person is 1 out of those 16 classmates.
3/4. triangle FHE and triangle KMN; triangle GEH and triangle LNM