Answer:
(C) Annie did not make a mistake
Step-by-step explanation:
To isolate the variable k in the equation 
, we'd have to subtract 7.5 from both sides so we just had k on one side.
This is exactly what Annie did, and therefore, her answer is correct.
Hope this helped!
The different that the number has been changed 90 degree so they have change the negative to positive and positive to negative sign
Answer:
A
Step-by-step explanation:
My brain is big now trust me ;)
Try graphing the 3 first (you know it's positive 3 because it has a + before it, and you know the line is going to go down (negative) because it has a - before it, after that you can find the slope if the line, in this case 1/2, and move one unit down (because it's negative) and 2 to the right
Hope this helped! :)
