Question 37643
a) sqrt(x) - 2=1 
sqrt(x)=3
Square both sides to get:
x=9


b)sqrt(x)^3 = 27
Square both sides to get:
x^3=27^2
Take the cube root of both sides to get:
x=(27^2)^(1/3)=[27^(1/3]^2
x=3^2=9
 

c)3^sqrt(x)^2 = 9 
3^(sqrt(x)^2)= 3^2
sqrt(x)^2=2
Square both sides to get:
x^2=4
x=2
Cheers,
Stan H.