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Subtract \( \frac{3}{4}-\frac{1}{2} \) .
Find the median for the data set:
34, 31, 37, 35, 38, 33, 39, 32, 36, 35, 37, 33
Solve the system of equations.
\(2y+x=-20\\y=-x-12\)
Multiply, \( \left( 4y^{2}+3 \right) \left( 2y+5 \right) \)
Perform the operation.
\( \left( -3x^{2}-2xy+4y^{2} \right) + \left( 5x^{2}+3xy-3y^{2} \right) \)
In a game, positive and negative points can be scored. For 10 turns, the point total is –5, +4, –7, –2, 0, +3, +5, –6, –4, +2. What is the average point total?
Multiply.
\(\frac{4}{5} \times \frac{1}{5}\)
Find the mode for the data set:
42, 45, 44, 44, 45, 42, 45, 44, 45, 46, 42, 44, 41, 48, 47, 46, 45, 42, 42, 44
How many dogs are necessary to make a cat-to-dog ratio of 3:2 in an area with 1,425 cats?
A family has three children. What is the probability that the family has three boys?
Write \(83.\overline{3}\%\) as a decimal. (Round to the nearest hundredth.)