Solve the following equation.?
?
?(x + 20)2 - 12(x - 12) = ?(x + 20)(x - 12)
?
A. ?
B. ?-8
C. ?
D. ?
E. ?
Answer: A
Mathematics
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Provide an appropriate response.Determine z on the plot of land described by the given figure.
A. 127.1° B. 48.2° C. 20.6° D. 52.9°
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.
- 4
- 2
A. 9
x
B. 
- 10
C. -8
D. -8
Mathematics
Simplify the complex rational expression.
A. 6
B. 
C. x2 + 6
D. 
Mathematics
Write out the first five terms of the sequence.{sn} = {3(3n - 2)}
A. s1= 3, s2= 6, s3= 9, s4= 12, s5= 15 B. s1= 1, s2= 4, s3= 7, s4= 10, s5= 13 C. s1= -6, s2= 3, s3= 12, s4= 21, s5= 30 D. s1= 3, s2= 12, s3= 21, s4= 30, s5= 39
Mathematics