Answer:
D(3;-2).
Step-by-step explanation:
1) 
2) according to the formulas above:

3) finally, D(3;-2).
Computation is the same whre we perform the same arithmetic operations.
Model meant some form of object or thing to copy or has been portrayed in order to be followed or copied.
Solution meant a chemistry solution like acids.
Answer:
the answer is number three
Step-by-step explanation:
Answer:
7
*Subtract 12-7*
Step-by-step explanation:
Answer:
Yeah that's easy -3
Step-by-step explanation:
+3=3 which the opposite of a positive is a negative. So -3. Hope this help.