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Questions in mathematics

[Answered] If [tex]p(x)=x^2-1[/tex] and [tex]q(x)=5(x-1)[/tex], which expression is equivalent to [tex](p-q)(x)[/tex] ? A. [tex]5(x-1)-x^2-1[/tex] B. [tex](5 x-1)-\left(x^2-1\right)[/tex] C. [tex]\left(x^2-1\right)-5(x-1)[/tex] D. [tex]\left(x^2-1\right)-5 x-1[/tex]

[Answered] Which fraction has the greatest value? A. [$\frac{1}{3}$] B. [$\frac{2}{3}$] C. [$\frac{2}{9}$] D. [$\frac{4}{9}$]

[Answered] 18(w+1)=36 W-5(w+10)

[Answered] Select the expression that is equivalent to [tex]$\left(3 x^2+1\right)^{-\frac{5}{3}}$[/tex]

[Answered] $65 \overline{)99,521}$

[Answered] Which applies the power of a power rule to simplify the expression [tex]$\left(8^{12}\right)^3$[/tex]? A. [tex]$\left(8^{12}\right)^3=8^{12+3}=8^{15}$[/tex] B. [tex]$\left(8^{12}\right)^3=8^{12 \times 3}=8^{36}$[/tex] C. [tex]$\left(8^{12}\right)^3=8^{12+3}=8^4$[/tex] D. [tex]$\left(8^{12}\right)^3=8^{12-3}=8^9$[/tex]

[Answered] Has the marrying age of a man changed over the years? The United States Bureau of the Census takes a formal count of everyone in the U.S. every 10 years and has provided the following data that gives the median age of an American man at the time of his first marriage. \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|l|}\hline Year & 1910 & 1920 & 1930 & 1940 & 1950 & 1960 & 1970 & 1980 & 1990 & 2000 \\ \hline Median Age & 25.1 & 24.6 & 24.3 & 24.3 & 22.8 & 22.8 & 23.2 & 24.7 & 26.1 & 26.8 \\ \hline \hline\end{tabular} What does a rate of change of zero mean in this situation? a. The median age of a man at the time of his first marriage is, on the average, constant. b. The median age of a man at the time of his first marriage is, on the average, decreasing. c. The median age of a man at the time of his first marriage is, on the average, increasing. d. The rate of change cannot be zero in this situation.

[Answered] Which equation finds the area of a square with a side length of $5 n^4$ units? $\left(5 n^4\right)^2=25 n^8$ square units $\left(5 n^4\right)^2=5 n^8$ square units $5\left(n^4\right)^2=5 n^8$ square units $5\left(n^4\right)^2=10 n^8$ square units

[Answered] Evaluate the following expression. [5+(11+7) \div 9] \times 6

[Answered] Assuming [tex]$x$[/tex] and [tex]$y$[/tex] are both positive, write the following expression in simplest radical form: [tex]$x \sqrt{54 x^4 y^4}$[/tex]