Solve.If y varies inversely as x, and y = 
when x = 30, find y when x = 4.
A. 
B. 
C. 24
D. 
Answer: D
Mathematics
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Use the power rules to simplify the expression. Use positive exponents to write the answer.
-5
A. 
B. - 
C. 
D. - 
Mathematics
Perform the indicated operation.
(Round to the nearest hundredths when necessary.)
A. 2.79 B. 0.23 C. 2.29 D. 0.28
Mathematics
Use the quadratic formula to solve the equation. (All solutions are real numbers.)3x(x + 1) = 2
A. {
, 
}
B. 
C. 
D. {
, 
}
Mathematics
Simplify the series of additions and subtractions.14 + 10 - (-7) + (-5)
A. 36 B. 6 C. 26 D. 16
Mathematics