Use the square root property to solve the equation. x2 - 169 = 0
A. {87}
B. {13}
C. {12, -12}
D. {13, -13}
Answer: D
Mathematics
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Express the number in decimal notation.7 × 10-7
A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007
Mathematics
Solve the equation for x, where x is restricted to the given interval.y = 3 tan (2x - 1), for x in 
A. x = 1 + 
arctan 
B. x = 
+ 
arctan 
C. x = 
+ 2 arctan 3y
D. x = 
+ 3 arctan 2y
Mathematics
Find the domain of the given function.f(x) = 
A. all real numbers x where x ? 6
B. all real numbers x where x ? -6
C. all real numbers x where x > 
D. all real numbers x where x > 6
Mathematics
Find the mode or modes for the list of numbers.Gas bills: $80, $61, $32, $61, $29, $80
A. $80 B. $80, $61 C. $57.17 D. $61
Mathematics