Answer:
Step-by-step explanation:
if Nathan walks 6 miles in 2 hours
6/2=3 miles/ hour
in 9 hours
9*3=27 miles
B. (n + 15) x 3--- That seems to be the correct answer. I hope I helped!
Answer:
center: (0,0)
radius: 4 units
Step-by-step explanation:
the circle goes through points (0,4), (0,-4), (4,0), and -4,0).
if you notice, all four points are 4 away from the origin, (0,0). this means that there center is (0,0).
if you start at one of the points and go to the origin, it will be 4 units. that will be your radius
ANSWER
The correct answer is
EXPLANATION
The expression given to us is,
We plug in
. That means we substitute 12 wherever we see x to obtain,
We simplify the parenthesis first to obtain,
Hence the expression evaluates to