74 degrees
An angles value is 1/2 of the value of its corresponding arc. Angle x has the corresponding arc of 148, so it’s 148/2 or 74 degrees
<span>8x^2 - 2x - 1 = 0
(2x - 1)(4x + 1) = 0
2x - 1 = 0; x = 1/2
4x + 1 = 0;x = -1/4
answer
</span><span>{-1/4, 1/2}</span>
For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

Where:
m: It's the slope
b: It is the cut-off point with the y axis

We have the following points:

Substituting the values:
Thus, the line is of the form:

We substitute one of the points and find "b":

Finally we have to:

Answer:
The equation es 
Answer:
-4 x 15 = -60 12 x 21 = 252
-4 x 4 = -16 12 x 63 = 756
-4 x 5 = -20 12 x 42 = 504
-60 + -16 + -20 = -96 252 - 756 + 504 = 0
Step-by-step explanation:
distributive property on both sides
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