Find the domain of the rational expression.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Factor and simplify the expression.tan4x - sec4x
A. sec2x + tan2x B. sec2x C. -2 tan2x - 1 D. tan2 - sec2x
Mathematics
Choose the appropriate sketch for the indicated geometric object.Perpendicular lines 
and 
A.
| A? | B |
| C? | D |
B.
C.
D.
Mathematics
Solve the application.To obtain a certain shade of paint, Peter mixed 2
gallons of white paint with 6 gallons of brown and 2
gallons of blue paint. How much paint did he have?
A. 3
gallons
B. 
gallon
C. 
gallon
D. 10
gallons
Mathematics
Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 
B. 
C. 
D. 
Mathematics