Find the LCD of the list of fractions.- 
, - 
A. 9
B. 9 + z
C. -9z
D. 9z
Answer: D
Mathematics
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Provide an appropriate response.Solve: 2
- 1 = 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use the given information to find the exact value of the trigonometric expression.tan ? = 
; ? < ? < 
Find sin(2?).
A. 
B. 
C. - 
D. - 
Mathematics
Solve the equation.log20 (x2 - x) = 1
A. {-4, 5} B. {-4, -5} C. {4, 5} D. {1, 20}
Mathematics
Refer to the graph or table to find the indicated value(s).Find the x-intercept(s).
A. (0, 0) B. (-2, 0), (0, 0) C. (-2, 0) D. No such value
Mathematics