Answer:
A
Step-by-step explanation:
Answer:
B.
Step-by-step explanation:
3 x 7 = 21, so it is B. You can't multiply 3 by anything to get the other numbers.
Answer:
Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity indicates the likelihood for precipitation, dew, or fog to be present.
Step-by-step explanation:
6 - 5x
the number isn't specific so u'll need to use a variable for it
u're multiplying that number by 5 so u'll write it as 5x
and ur subtracting it from 6
-7x-3=25 (combine like terms)
-7x= 28 (add 3 on both sides)
x= -4 (divide -7 on both sides