Answer:
I believe its b
Step-by-step explanation:
they would try and show both sides to explain all that happened and get all facts
I'm not fully sure
Answer:
Step-by-step explanation:
2x + 20° = 3x - 10° ( being corresponding angles )
3x - 2x = 20° + 10°
x = 30°
I don't know sorry I wish I new
Answer: r+7
Whatever his age is now, we add 7 to it. So we simply add 7 to r getting r+7.
Example: Say he is 10 years old now
r = 10
r+7 = 10+7 = 17
meaning he will be 17 seven years from now