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Questions in Grade College

[Terjawab] Which addition expression has the sum $8-3 i$? A. $(9+4 i)+(-1-7 i)$ B. $(7+2 i)+(1-i)$ C. $(7+4 i)+(-1-7 i)$ D. $(9+2 i)+(1-i)$

[Terjawab] Which native civilization invented a numerical system to keep records? A. The Inca B. The Aztec C. The Olmec D. The Maya

[Terjawab] $(f-g)(x) =$ A. $x^2+x-4$ B. $x^2+x+4$ C. $4^2-x+6$ D. $x^2+x+6$

[Terjawab] Perform the indicated operation: $\left(\frac{1}{2}\right)^2-\sqrt{16}+\left(\frac{7}{4}\right)\left(\frac{16}{28}\right)$

[Terjawab] Write 1,386 as the product of its prime factors. A) $2 \times 3 \times 231$ B) $2 \times 3 \times 3 \times 7 \times 11$ C) $2 \times 693$ D) $2 \times 3 \times 7 \times 33$

[Terjawab] Which ionic compound is used as a building material? A. salt B. limestone C. magnesium oxide D. iron oxide

[Terjawab] Drag the tiles to the correct boxes to complete the pairs. Match each system of linear equations with the correct number of solutions. One solution No solution Infinitely many solutions [tex] \begin{aligned} \begin{array}{r} 3 x-y=4 \\ 6 x-2 y=8 \end{array} & \longrightarrow \square\\ \begin{array}{r} y=-4 x-5 \\ y=-4 x+1 \end{array} & \longrightarrow \square\\ \begin{aligned} -3 x+y=7 \\ 2 x-4 y=-8 \end{aligned} & \end{aligned} [/tex]

[Terjawab] Look at the statistics in the table. | Gender | Percent Supporting Obama | Percent Supporting Romney | | :----- | :----------------------- | :----------------------- | | Men | 42% | 52% | | Women | 53% | 43% | Which generalization is most accurate, based on the table? A. Women are more likely than men to support Democrats (Obama). B. Women are more likely than men to support Republicans (Romney). C. Men voted in higher numbers than women. D. Men are more likely than women to support Democrats (Obama).

[Terjawab] The value of $y$ varies directly with x, and $y = 40$ when $x = 8$. What is y when $x = 7$? $y=[?]$

[Terjawab] People who display crisis behaviors usually know what they are doing and could control themselves if they wanted to?