Answer:
x=45
Step-by-step explanation:
Since 12.3 is less than 21 it will be a negative number. so just subtract 12.3 from 21 and put a negative symbol in front of the answer.
Answer is 30
Multiply top of bottom of each fraction to get 30 on the bottom
So 2m/5•6 and 2m/6•5
Answer:
B.
Vertical angles are the same angles of each other.
14 + 7 = 21
3(14) - 21 = 21
Answer:
131x
Step-by-step explanation:
7x² + 6x + 9x² - 5x
49x + 6x + 81x - 5x
136x - 5x
131x