Write interval notation.{ x ? x > 1 }
A. (-?, 1)
B. (1, ?)
C. [1, ?)
D. (-?, 1]
Answer: B
Mathematics
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Write the decimal number as a percent. 0.00418
A. 0.209% B. 0.418% C. 0.0418% D. 0.000418%
Mathematics
Find the solutions to the system of equations by the addition method.
x + 
y = -1
x - 
y = 
A. (0, -6) B. (0, -5) C. (-1, -5) D. (1, -6)
Mathematics
Solve.2090.9 = 29 ? t
A. 0.0721 B. 721 C. 72.1 D. 7.21
Mathematics
Find the commission earned or the rate of commission. Round money answers to the nearest cent if necessary.Sales: $900 Commission rate: 10
%
A. $85.50 B. $945.00 C. $94.50 D. $103.50
Mathematics