Answer:
v See below. v
Step-by-step explanation:
LM = MN
11x - 21 = 8x + 15

x = 12
LM = 11(12) - 21 = 132 - 21 = 111
MN = 8(12) + 15 = 96 + 15 = 111
LN = 111 + 111 = 222
They can not, there are only 2 sides and they probably flipped it different ways. They got 'lucky'.
Answer:
78.5
Step-by-step explanation:
x3.14 (pie)
so then substitute.
5x5=25
25x3.14=78.5
The discriminant of the equation

is 76.
I hope that helps.
Answer:
68%
Step-by-step explanation:
Hope this helps! :)
I would appreciate brainliest, if not that's ok!