Answer:
a
Step-by-step explanation:
The answer is no, because the first two equations are right but the third equation equals -16 instead of -15. So the answer is no (2,-2,4) is not the solution to all the system of equations.
4 2/3. add the twos and keep the 2/3
Answer:
Negative
Step-by-step explanation:
If a line has a positive slope, then y always increases when x increases and y always decreases when x decreases. Thus, the graph of the line starts at the bottom left and goes towards the top right.
Answer:
9-3x=20
Step-by-step explanation:
It is the wordplay