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Questions in Grade College

[Free] Select the best answer for the question. What is not a factor that reduces the required number of kWh for heating? A. Higher lighting level B. Greater ventilation C. Greater number of people occupying building D. Greater use of electronic equipment

[Free] Differentiate. [tex]f(x)=x^8-7 e^{5 x}[/tex] [tex]f^{\prime}(x)=[/tex]

[Free] Question 7 of 10 The volume of a cube depends on the length of its sides. This can be written in function notation as [tex]v(s)$[/tex]. What is the best interpretation of [tex]v(2)=8$[/tex]? A. A cube with a volume of 2 cubic feet has side lengths of 8 feet. B. A cube with side lengths of 2 feet has a volume of 8 cubic feet. C. 2 of these cubes will have a total volume of 8 cubic feet. D. 2 sides of the cube have a total length of 8 feet.

[Free] Creating self-portraits helps young children to: A) increase visual-spatial awareness. B) increase awareness of self, body parts, and others. C) increase self-concept. D) understand the art form of portraiture.

[Free] Solve the rational equation. If the equation has no solution, so state. $\frac{2}{x+4}+\frac{5}{x+5}=\frac{9 x+24}{x^2+9 x+20}$ Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is { $\square$ }. (Simplify your answer. Use a comma to separate answers as needed.) B. There are infinitely many solutions. C. There is no solution.

[Free] What is the solution for the following compound inequality? [tex]5 x+3\ \textgreater \ 13 \text { OR } 5 x-3\ \textless \ -8[/tex] A. [tex](-\infty,-1) \cup(2, \infty)[/tex] B. [tex](-\infty,-1] \cup[2, \infty)[/tex] C. [tex][-\infty,-1) \cup(2, \infty][/tex] D. [tex][-\infty,-1] \cup[2, \infty][/tex]

[Free] Directona: vopy there ilustrations wite the ronon prine divisor at the left side of the nufers. Repeat the grouses mintil there is no romon shisor left. 1.) niping nubers: lcm = off = 2.) thisming numbers: lem = sef = 3.) anising mobers: lem =

[Free] Simplify $\frac{6-\sqrt{25}}{4}=$

[Free] Consider $U=\{x \mid x$ is a positive integer greater than 1$\}$. Which is an empty set? $\left\{x \mid x \in U\right.$ and $\frac{1}{2} x$ is prime $\}\$ $\{x \mid x \in U$ and $2 x$ is prime $\}\$ $\left\{x \mid x \in U\right.$ and $\frac{1}{2} x$ can be written as a fraction $\}\$ $\{x \mid x \in U$ and $2 x$ can be written as a fraction $\}\$

[Free] What is the value of $x$ in the equation $\frac{2}{3}\left(\frac{1}{2} x+12\right)=\frac{1}{2}\left(\frac{1}{3} x+14\right)-3 $?