Find all the missing elements:
B
14
15
70°
A
b
с

Step-by-step explanation:

Using sines law for triangles,

⇒

⇒

⇒

⇒

⇒

⇒

Now sum of angles a Δ is 180°

A+B+C=180°

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       hope it helps..

      have a great day!!

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choice b is correct

step-by-step explanation:

we have been given the following system of inequalities;

we are required to graph the solution to the system of inequalities. using a graphing tool, the graph of the system is as shown in the attachment. the continuous line represents the graph of while the dotted line represents .

step-by-step explanation:

descending order means to order the polynomials from the term with the largest exponent to the term with the smallest exponent.  

therefore, the correct answer is d.