The answer is 20 I think so
Answer:
Step-by-step explanation:
1. 56 + 81 = 137
2. The exterior angle theorem means that the 2 angles within a triangle that is on the opposite side of the angle outside the triangle could be added to find the angle that is outside of the triangle.
3. 56 and 81 are on the opposite side of the "x" outside the triangle which means that they could be added together which equals 137 degrees.
Hope this helps!
Answer: In the figure AB is about 8.4 inches and AC is about 13.05 inches.
Step-by-step explanation: We can use cosine to find the hypotenuse. 
Using a calculator x is about 13.05
Using tangent we can find the length opposite of <C

Using a calculator x would be about 8.4
Answer:
2
Step-by-step explanation:
there is 2: 3<u> 1 </u>
4
Answer:

Step-by-step explanation:
Given

Required
Show on a number line

Divide through by -2


Add 1 to both sides


Divide through by 3

<em>See Attachment for number line</em>