The mean age is 29. Without rounding, it would be 29.4285714286
.
Answer:A
Step-by-step explanation:
Answer:
D? maybe, I'm not sure. it jsut makes the most sense.
Answer:
<h2>a = 400/21, b = 580/21</h2>
Step-by-step explanation:
Small triangles are similar. Therefore, the sides are proportional
<em>cross multiply</em>
<em>divide both sides by 21</em>

For b, we can use the Pythagorean theorem:
