Answer:
Step-by-step explanation:
um my mistake there is not any snawer choices i want to answerchoices maybe post some?
1.89 * 10^12
1.89e +12
e is shorthand for *10^(
Answer:
X=23
Step-by-step explanation:
You should know that a triangle =180 degrees
Add all your angles together and =180
66+2x+3+3x-4=180
add similar terms
5x+65=180
Move your 65 to the other side
5x=115
x=23
(Optional)
to check if your answer is right substitute your x and add all angles together you should get 180 degrees.
I think your answer is that
