Answer:
Step-by-step explanation:
The third one
Any number with pi is irrational
the third option
because pi cannot be put into a fraction
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b
2x<15
x<15/2
x<7.5
Hope this will help u
x = 1 or x = -4
x²+3x-4=0
(x - 1)(x+4) =0
x-1 = 0 or x+4 = 0
