Answer:
18
Step-by-step explanation:
21-n; n=3
Substitute n for 3:
Solve.
Answer:
-4
Step-by-step explanation:
Answer:
80.2
Step-by-step explanation:
Answer:
k = -4 or 2
Step-by-step explanation:
For the lines to be parallel, the lines would need to be the same slope. This means to find the slope of each we would take the difference of the rise over the run.
and
To find K, set them equal.
Factor the quadratic and solve for K.
k+4=0 so k=-4
k-2=0 so k=2
Alexander has to miles to go because if one mile is a third you can simply maltiply by three, then subtract the mile he already went. you maltiply by three because it was a third of the way there