Rationalize the denominator of the expression. Assume that all variables represent positive real numbers.- 
A. -40
B. -3
C. - 
D. - 
Answer: C
Mathematics
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Find the domain.f(x) = 
A. 
or 
B. 
or 
C. 
or 
D. 
or 
Mathematics
Multiply and simplify.
? 3b
A. 
b
B. 
C. 
D. 11b
Mathematics
Given: 
and 
are supplementaryProve: 
Supply missing statements and missing reasons for this proof.S1. and 
are supplementary R1.S2. R2. If the exterior sides of 2 adjacent angles form astraight line, the angles are supplementary.S3. R3. Two angles that are supplementray to the sameangle are congruent.
What will be an ideal response?
Mathematics
Use the point-slope form to write an equation of the line that passes through the given point and satisfies the given condition. Write your final answer in slope-intercept form.Through (5, -4) and parallel to 5x + 2y = 13
A. y = - 
x - 4
B. y = 
x + 
C. y = - 
x + 13
D. y = - 
x + 
Mathematics