Consider this system of equations. Which shows the first equation written in slope-intercept form? One-half (2 y + 10) = 7 x. y
2 answers:
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Step-by-step explanation:
a)
Two of the three interior angles are known. Both are equal to 55°. This can be seen by looking closely at the picture. To find the third angle subtract the other two from 360°
b)
Do the same thing only afterward subtract the third angle from 180 to find the supplementary angle