I forgot what they’re called but the angles opposite to each other are the same degree. It’s a theorem, just search up the name
Slope is 2/-1 or -2. Because you go up twice and then you go left once.
Answer:
9+x<12
Step-by-step explanation:
add 9 to an unknown number.
9+x
use the < less than symbol (instead of an equal sign) and write 12.
Answer:
40
Step-by-step explanation:
4 lots of 10 is 10+10+10+10 or 4 x 10
