Answer:
A.-34t
B.-21x
C.2x+7y-15
D.3xy+27
Step-by-step explanation:
For the first 2 questions just take out the variable and add or subtract all the numbers. For the next 2 simplify one variable at a time. It always goes in alphabetical order.
Answer:
C
Step-by-step explanation:
If you look at your y value which would be your Output you can see the number 4 repeated multiple times
Therefore leading up to the answer that there is more than what output.
The input is the number you feed into the expression, and the output is what you get after the look-up work or calculations are finished.
Hope this helps :)
Given

To find the missing value in the diagram.
Now,
From the diagram the value of x is 5.
Then, substitute the value of x in the given equation.
That implies,

Hence, the missing value is 7.