Second option:
-7x^2+4x+2
The question is asking to calculate the said coordinates and determine if it is a right triangle or not and state the evidence why and in my own calculation and further understanding about the said coordinates, I would say that its not and the Z coordinates should be (6,1). Hope this would help
Answer:
B. 1/(3xy^3)
Step-by-step explanation:
The minus sign can be dealt with first, then the root taken.

Answer:
they are equivalent
Step-by-step explanation:
because 4 times 9 is 36 and 4 times 5 is 20 so it is equal to 36+20