It is C
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D. 15+18
Hope that helps!
Well the difference of 12 and 4 is 12-4=8 8 times 5=40
The y - coordinate of D after a translation is 1
Explanation:
The point D after a translation is given by 
The y - coordinate of the point D is 5.
Now, we shall determine the value of the y - coordinate of D after the translation 
Let us consider the y - coordinate of D' and D
Thus, we have,

Subtracting both sides by 4, we get,

Thus, the y - coordinate of D after a translation is 1
Answer:
Constants are the terms in the algebraic expression that contain only numbers. That is, they're the terms without variables. We call them constants because their value never changes, since there are no variables in the term that can change its value.
An algebraic expression is one or more algebraic terms in a phrase. It can include variables, constants, and operating symbols, such as plus and minus signs.
Step-by-step explanation: