Answer:
Step-by-step explanation:
A straight line adds up to 180 degrees, therefore 3x+6x = 180
9x = 180
x = 20
Answer:
(-1, -2.5)
Step-by-step explanation:
the midpoint of a segment is 
, given points (x1, y1) and (x2, y2)

Answer:
<u>Angle B O C</u>
<u />
Step-by-step explanation:
<em>Complementary angles add up to </em><em>90</em>
<em>Angles COD and BOC form a right angle which means they add up to </em><em>90</em><em>.</em>
<em />
Answer:
yeah it's blurry ¯\_(ツ)_/¯
Answer:
d ≤3
Step-by-step explanation:
9−4d≥−3
Subtract 9 from each side
9-9−4d≥−3-9
−4d≥−12
Divide by -4, remembering to flip the inequality
-4d/-4 ≤-12/-4
d ≤3