Step-by-step explanation:
Vertical Angles: Angles facing each other.
Example: 6 & 7
Complementary Angles: Angles adding up to 90 degrees / making a right angle.
Example: 9 & 10
Supplementary Angles: Angles adding up to 180 degrees / making a straight line.
Example: 7 & 8
49/12
Just mulitply the top and the bottom across.
7*7/4*3
49/12
For every 3 squares there are 2 circles
Answer:
x=(2,-5.3)
Step-by-step explanation:
Hope this helps
First let's rewrite it...
18a^2 + 20a + 8
Factor out a 2
2 (9a^2 + 10a + 4)