Answer:
bc
Step-by-step explanation:
2:9 is equivalent to
18: 81 because is 2*9 : 9*9
12:54 because is 2*6 : 9* 6
Answer:
What is the question?
Step-by-step explanation:
1. Write all of the question to receive a correct answer.
The second equation, its setup is correct
X+20+16=90
x=54
54+20+16=90
There’s a right angle and it’s marked as 90 degrees.
