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Questions in Grade College

[Jawaban] The "skin" of the Statue of Liberty is made of iron. A. True B. False

[Jawaban] Carbon reacts with oxygen to produce carbon dioxide ($CO_2(g), \Delta H_{f }=-393.5 kJ / mol$) according to the equation below. $C(s)+2 O_2(g) \rightarrow CO_2(g)$ What is the enthalpy change of the reaction? Use $\Delta H_{r \times n}=\sum\left(\Delta H_{t, \text { products }}\right)-\sum\left(\Delta H_{t, \text { reactants }}\right)$. A. -393.5 kJ B. -196.8 kJ C. 196.8 kJ D. 393.5 kJ

[Jawaban] Find the $x$ and $y$ intercepts of this linear equation. $12 x+30 y=180$ x-intercept ([ ? ], $\square$ ) y-intercept ( $\square$ , $\square$ )

[Jawaban] Express the pair of fractions using the least common denominator of the two. [tex]$\frac{5}{12}, \frac{7}{16}$[/tex]

[Jawaban] Solve for $x$. $2^{3 x-5}=4$ Select the correct choice below and, if necessary, fill in the answer box to complete your A. The solution is $x=$ $\square$ . (Type an integer or a simplified fraction. Use a comma to separate answers as ne B. The solution is not a real number.

[Jawaban] In which era did mammals emerge? A. Cenozoic B. Mesozoic C. Paleozoic D. Precambrian

[Jawaban] In 1790, Haydn moved to Vienna to pursue a successful freelance career after what event? A. social unrest resulting from a change in ruling family B. international recognition of his music C. dissolution of the Hapsburg empire D. being fired from his court position E. All of the above F. None of the above

[Jawaban] The table shows the frequencies for the data from the previous task about part-time employment for 15 randomly selected high school students. Use the information to complete the relative frequency column of the table. Express answers as percentages rounded to the nearest whole number. | Employment | Frequency | Relative Frequency | |---|---|---| | babysitter | 1 | 7% | | food service | 6 | 40% | | lifeguard | 3 | A | | retail | 5 | B | [tex]A=\square \%[/tex] [tex]B=\square \%[/tex]

[Jawaban] What are the domain and range of [tex]f(x)=\left(\frac{1}{6}\right)^x+2[/tex]? A. domain: [tex]\left\{x \left\lvert\, x>-\frac{1}{6}\right.\right\}[/tex]; range: [tex]\{y \mid y>0\}[/tex] B. domain: [tex]\left\{x \left\lvert\, x>\frac{1}{6}\right.\right\}[/tex]; range: [tex]\{y \mid y>2\}[/tex] C. domain: [tex]\{x \mid x[/tex] is a real number [tex]\}[/tex]; range: [tex]\{y \mid y>2\}[/tex] D. domain: [tex]\{x \mid x[/tex] is a real number [tex]\}[/tex]; range: [tex]\{y \mid y>-2\}[/tex]

[Jawaban] Solve $\left|\frac{x+3}{5}\right| \leq-4$ A) All real numbers B) $-23 \leq x \leq 17$ C) $x \leq-23$ and $x \geq 17$ D) No solution