Answer:
no
Step-by-step explanation:
you multiply straight across on top and bottom then you simplify :)
7x7(12+9) to the power of 3
The answer is 180°
Angles between straight lines are 180°
Hope this helps :))
Answer:
Step-by-step explanation:
I don't really know sorry I am not smart I only sign up to see the answers
A). They are supplementary angles meaning they add up to 180
So
B) (12x+8)+(3x+7)=180
12x+8+3x+7=180
15x+15=180
-15 -15
15x=165
15/15x=165/15
x=11
Angle 1 is
12x+8
12(11)+8
132+8
140
Therefore measure of angle 1 is 140°
Angle 2
3x+7
3(11)+7
33+7
40
Measure of angle 2 is 40°
