Math-Pre Calculus-Please Help?

Lisset

New member
1)
AB-b=C+bB Sove for B
Which one is it?
a)B=C+b/A-b
b)B=C-b/A+b
c) B=C+bB+b-A
d)B=AB-2b-C

2) Find the domain of the function
f(x)=? 16-x
a) (? 14, ?)
b) (-?, 16)
c) (-?, ?)

3) Factor the difference of two squares.
144E^2 -25T^2
I got (12E-5T)^2. Is this right?

Rationalize the denominator.
x+3/ ?x-4

Is the correct answer
(x+3)/(?x-4)/x+16 OR
(x+3)/(?x+4)/x-16 OR
 
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