the expression √x < 9 (x >0) is equivalent to which of the following:

a) x < 81

b) x < 3

c) x < 9

simplify:

√8 /3 + √18/2

a) 13√2/6

b) √8+√18/5

c) √8+√18/6

d)5√26/6

find the x and y intercepts of the line: 2y-4x+4=0

find the slope of the line: 2y-4x+4=0