Rational numbers.
The grocery store will have a whole number of half gallons =>
number of gallons = n * [1/2] , where n = ∈ N
That means that the number of gallons ∈ Z+ and 0.
Then the answer is the option A. rational number.
Answer:

Step-by-step explanation:
We know that since angles in a triangle add up to 180º, the remaining angle must be 45º.
So the side with length
must be equal to the side with length
. That is:

Now, by Pythagoras:

Answer:
No factors.
3 - x^2 is prime.
Step-by-step explanation:
Answer:
x=2
Step-by-step explanation:
you should isolate the variable and find out from what you have
Answer:
1478 mi/h
Step-by-step explanation:
The rate of change is the distance divided by the time.
