Answer:
-80 is a real rational number
Step-by-step explanation:
it is real, and it is rational. It isn't irrational, and it is not a natural number either
Step-by-step explanation:
Step one:
Given
The expression for Katya's distance away from home is given by the expression

y represents her total distance away from home
x= represent the time of travel in hours
Step two:
60 represents the rate at which the train is traveling in km per hour
20 represents the initial distance from home
we predict her distance away at a given time
say 4 hours, that is x=4hours
substituting in the expression
y=60x+20
y=60(4)+20
y=240+20
y=260km
It costs 0.06 cents each minute.
Explanation : $15/250 minutes = $0.06
It’s 67 is the square route