To tell if an equation has infinite solutions, the equation will be equal to each other.
For example,
x = x
x + 1 = x + 1
x - y = x - y
And so on...
And in special cases,
0x = 0
0x = 0(y + 1)
They have infinite solutions because there's no constant to determine the variable.
Sixty eight trillion, eight hundred sixty billion, five hundred million, eighty six thousand and six
Your answer is c, an obtuse triangle because if the two side lengths are the same length along with a longer side, it become obtuse
let me know if you have any other questions
:)
Answer:
1.) ???
2.) (2x+3y)(2x-3y)=4x²-9y²