Answer:
A rational number is any number that can be written as a ratio of two integers (hence the name!). In other words, a number is rational if we can write it as a fraction where the numerator and denominator are both integers. ... Irrational, then, just means all the numbers that aren't rational.
Step-by-step explanation:
A rational number is any number that can be written as a ratio of two integers (hence the name!). In other words, a number is rational if we can write it as a fraction where the numerator and denominator are both integers. ... Irrational, then, just means all the numbers that aren't rational.
Answer:



Step-by-step explanation:



2nd


3th


What we use?
We use that

and

A negative correlation: when the number of years increase the value of the car decrease.
Answer:
c'( 7,-8) , T < -3 , -5 > 0r
180
Step-by-step explanation:
hope this helps