Answer:
true
Step-by-step explanation:
The total amount of angles in quadrilateral is 360.so:
z=360-(122+79+90)
z=360-291
z=69
X²+14x+49+17=-96+49
(x+7)²=-64, x+7=±8i, x=-7±8i, so x=-7+8i or -7-8i.
Answer:
13) 
14) 
15) 
16) 
Step-by-step explanation:
13) 
14) 
15) 
16) 
Answer:
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