Answer:
42
Step-by-step explanation:
My teacher has asked the class this one before and after a lot of time not knowing she just told us k=42 XD
Answer: B, E
Step-by-step explanation:
So to solve for y, we need to get y alone on one side of the equation. So we are going to subtract 9x from both sides of the equation to get:

And since y is negative, we are going to divide both sides by -1 in order to make the y positive:
