The answer is 4.81x 10^13. By the way your welcome.
Answer:
https://jbarrueta.weebly.com/uploads/5/3/2/9/53297595/lesson2.2.2.pdf
Step-by-step explanation:
here's a link
4 times 7 = 28
3 times 7 = 21
It will take him 21 days to make 28 bird houses.
<u>Angles that are vertical are basically neighbors that are across from each other (numbers across from each other). </u>
Angle <u><CFD</u> would be vertical to <EFA.