Um
81^5=3x
3,486,784,401=3x
x=1,162,261,467
Answer:
B) 2.25
Step-by-step explanation:
Given:
x = -2
y = 4
z = -5
Work:

Answer:
5x^2-3x-8
Step-by-step explanation:
So you will want this to be simplified.
expanding brackets is a great way of doing this
one you have expanded all brackets u get the answer above
:)
Whete are the given points, is thee a picture