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Questions in Grade High-school

[Answered] Select the equivalent expression. $\left(\frac{a^{-3}}{a^{-1}}\right)^{\frac{1}{8}}$

[Answered] 8. $-21 a+28 a-6=-10.2$ 10. $68=\frac{1}{5}(20 x+50)+2$

[Answered] Determine the density of an object (in g/cm³) if it has a mass of 8.807 g and a volume of 2.55 ml. Report your answer with the correct number of significant units (3 sig figs in this case). Do NOT include the units in your answer.

[Answered] Among apples, cherries, oranges, and watermelons, a serving of which fruit would raise the level of sugar in blood by the least amount?

[Answered] A banker was analyzing credit scores of mortgage clients when he accidentally deleted one of his client's scores from his data table. He already calculated the mean, standard deviation, and [tex]$z$[/tex] scores. Mean [tex]$=780$[/tex] [tex]$\sigma \approx 28$[/tex] [tex]$z_x=1.07$[/tex] [tex]$z_x=\frac{x-\mu}{\sigma}$[/tex] Which equation can you use to calculate the missing credit score? [tex]$1.07=\frac{x-780}{28}$[/tex] [tex]$780=\frac{x-28}{1.07}$[/tex] [tex]$28=\frac{-x-107}{780}$[/tex]

[Answered] $(8 \div(-2))+(-7)-3

[Answered] Which type of scientific statement is defined as a statement of fact that is generally accepted to be true and universal because it has always been observed to be true? A. theory B. probability C. law D. hypothesis

[Answered] What is the connection between age and happiness? What evidence is there for this relationship, and why does it exist?

[Answered] Directions: For each of the following polynomial graphs, determine any x-values where the graph has a local extrema. If the graph does not have a specific local extrema, write "none" in the appropriate space. Local minimums at x = Local maximums at x =

[Answered] 5. $19+1.5(10 m-8)=127$