Answer:
Answer
Correct option is
D
all of the above
For any two rational numbers a and b,
(a+b),(a−b),(b−a) & (a×b) are all rational numbers.
Thus, rational numbers are closed under addition, subtraction and multiplication.(for the first one)
Answer:
The sum of x and y is a rational number
Step-by-step explanation:
X+Y or 5+7=12
A rational number is any number that can be divided without going on and on forever. ( for the 2nd one)
Answer:
Step-by-step explanation:
∠1 and ∠3 are supplemental
and ∠2 and ∠4 are supplemental
because they are alternate interior angles.
Answer:
Possible values of fredicos age satisfy 
where 
denotes fredicos age.
Step-by-step explanation:
Let denotes fredicos age.
Three times the difference of fredicos age and 4, increased by 7 = 
According to the question,
So, possible values of fredicos age satisfy
Here, denotes fredicos age.
Attached the solution in the boxes in order.
Answer:
<h3>your answer will be
A</h3>
Step-by-step explanation:
hope it helps you
have a great day
