Answer:
w = 0
Step-by-step explanation:

2.5 hours and you’re welcome
-8 is not a solution to 512 because when you multiply 2 negative numbers together it becomes positive, but you're multiplying it three times. so - 8 * -8 = 64 but if you multiply -8 again the solution will be a -512 not a positive 512
Midpoint formula

Let S denote the midpoint of R and T