a 
7
because 4a + 7 - 7 35 - 7
equals 4a 28
and 4a/4 28/4
equals a 7
Its 123tttttwwwwwwwwwwwwwwwwwwwwwwwwwwwww
The answer to your question is w =40(2)n [n is in exponent form I just couldn’t type it that way ]
Answer:
All of them are irrational except √9 which is rational.
Step-by-step explanation:
√5= 2.2606797749(irrational)
√9=3(rational) this one is rational
√7=2.64575131106(irrational)
√3.31662479035(irrational)
hope it helps.
