Answer:
-19
Step-by-step explanation:
you first substract 7 from 83 since its the inverse operation
then you divide it by -4 which give you -19
Answer:

Step-by-step explanation:
When you have something like that, just think that the first number goes on top and the second number goes on bottom.
Answer: 45.
Step-by-step explanation:
The geometric sequence is 3, 9, 27, 81, 243, 729 because each time it is multiplied by 3.
Answer:
solve for y is y
=
x
+
3
Solve for x is x
=
−
3
+
y
Step-by-step explanation: