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Questions in Grade College

[Done] Suppose that you have $100 that you want to invest each month. In the first month, you buy stocks at $50/share. In the second month, you buy stocks at $25/share. On average, how much did you spend per share? A. $37.50/share B. $100/share C. $33.33/share D. $200/share

[Done] School newspaper staff went to three different sports games to survey students on their favorite sport, and the results are shown in the table below. Are these samples biased? Why or why not? | | Sample 1 | Sample 2 | Sample 3 | | :--------- | :------- | :------- | :------- | | Basketball | 23 | 1 | 1 | | Football | 2 | 24 | 2 | | Volleyball | 0 | 0 | 22 | A. These samples are not biased because students like different sports and the samples reflect the different opinions. B. These samples are biased because the newspaper staff went to a basketball game, football game, and volleyball match to interview the students. C. These samples are not biased because each has a total of 25 students, which makes them equal. D. These samples are biased because 0 should never appear in a sample as it is not possible.

[Done] Find the exact value of the following expression. [tex]$\sin ^{-1}\left(\frac{\sqrt{2}}{2}\right)$[/tex] Select the correct choice below and, if necessary, fill in the answer. A. [tex]$\sin ^{-1}\left(\frac{\sqrt{2}}{2}\right)=[/tex] $\square$ (Simplify your answer. Type an exact answer, using [tex]$\pi$[/tex] as needed.)

[Done] Which properties are present in a table that represents an exponential function in the form [tex]$y=b^x$[/tex] when [tex]$b\ \textgreater \ 1$[/tex]? I. As the [tex]$x$[/tex]-values increase, the [tex]$y$[/tex] values increase. II. The point [tex]$(1,0)$[/tex] exists in the table. III. As the [tex]$x$[/tex]-values increase, the [tex]$y$[/tex]-values decrease. IV. As the [tex]$x$[/tex]-values decrease, the [tex]$y$[/tex]-values decrease, approaching a singular value. A. I and IV B. I and II C. II and III D. III only

[Done] Select the correct answer. Which value of [tex]$n$[/tex] makes this equation true? [tex]\frac{3 n+3}{5}=\frac{3 n-1}{5}[/tex] A. [tex]$n=-16$[/tex] B. [tex]$n=-2$[/tex] C. [tex]$n=2$[/tex] D. [tex]$n=16$[/tex]

[Done] A tire that sells for $40 costs the buyer $43.20 when sales tax is added. What is the percent of sales tax?

[Done] Express the given interval as an inequality in terms of x, and select the graph of the interval. [tex](-8,2)[/tex] The inequality is $\square$.

[Done] Which quotation from 'Self-Reliance' best summarizes Emerson's view on belief in oneself? A. These are the voices which we hear in solitude... B. We but half express ourselves, and are ashamed of that divine idea which each of us represents. C. There is a time in every man's education when he arrives at the conviction that envy is ignorance... D. Nothing is at last sacred but the integrity of your own mind.

[Done] Checky correctly converted $\frac{37}{100}$ to a decimal. What is the place value of the digit 1 in the decimal he obtains?

[Done] Early Intervention Services introduced in... A. 1973 B. 1986 C. 1990