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Questions in Grade High-school

[Answered] \(\left(\sqrt{x}^3\right)^{\frac{2}{3}}\)

[Answered] What is the $y$-intercept of the graph of the function $f(x)=x^2+3 x+5$? A. $(0,-5)$ B. $(0,-3)$ C. $(0,3)$ D. $(0,5)$

[Answered] Which statement about the scientific method is true? A. The scientific method involves developing and testing conclusions. B. The scientific method is a linear approach to accumulating scientific knowledge. C. The scientific method is used in different ways by different scientists. D. The scientific method involves developing a question to answer a hypothesis.

[Answered] The long division below shows the first term of the quotient. Which polynomial should be subtracted from the dividend first? $x + 2 \longdiv { x ^ { 3 } + 3 x ^ { 2 } + x }$ A. $x+3$ B. $x^2+x+2$ C. $x^3+2 x^2$ D. $x^2+3 x$

[Answered] Fill in the gaps to balance the equation. Use the smallest set of whole numbers to balance the equation and include coefficients of "1" when appropriate. [tex]$\square$ $C _6 H _{12} O _6+$ $\square$ $O _2 \rightarrow$ $\square$ $CO _2+$ $\square$ $H _2 O$[/tex] Complete the table to determine how many atoms of each element are present in the reactants and products. | Element | Reactant | Products | | :------ | :------- | :------- | | C | | | | H | | | | O | | |

[Answered] Which of the following is NOT an accurate description of what nutrition is responsible for? A. normal functioning of only a few organs B. growth C. production of energy D. maintenance of life

[Answered] Between infrared and ultraviolet light, which one has a higher frequency? Use a calculation to support the answer.

[Answered] Which of the following causes the most problems in countries with low economic growth? A. poor education B. low unemployment C. higher standard of living D. rapid population increase

[Answered] Find the measure of an interior angle of a regular hendecagon (11-sided polygon). [tex]x=[?]^{\circ}[/tex] Hint: Sum [tex]=(n-2) 180[/tex] Round to the nearest tenth.

[Answered] Body composition is BEST described as A. the amount of lean muscle in a body B. the total amount of muscle in a body C. the total mass of fat in the abdomen D. the ratio of fat to other tissue in a body