Answer:
2/3
Step-by-step explanation:
2/12+4/9
Find a common denominator
16/72+ 32/72
48/72
Simplify
=2/3
Hope this helps
Answer:
9y+45
Step-by-step explanation:
9(y+5)
=9*y+9*5
=9y+45
They're all used for differentiating types of measurement in mathematics and science.