The largest number that divides 63, 84, and 105 evenly is 21.
David can put 21 of each kind of tile in a row.
_____
These numbers are 3*21, 4*21, and 5*21, respectively.
Answer: x=31°
Step-by-step explanation:
To find the missing angle, we need to use SOHCAHTOA. We can eliminate sine and tangent because we aren't given the opposite side. Therefore, we use cosine.
[use inverse cosine]
![x=cos^{-1}(\frac{48}{56})](https://tex.z-dn.net/?f=x%3Dcos%5E%7B-1%7D%28%5Cfrac%7B48%7D%7B56%7D%29)
![x=31](https://tex.z-dn.net/?f=x%3D31)
Now, we know x=31°.
19, 13
is the two blank answer due to the fact it's minus six each number
Answer:5.4 km
Step-by-step explanation: