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Questions in Grade College

[Done] A scientist is working with methane $(CH_4)$ and butane $(C_4H_{10})$. Which statement best compares these chemicals? A. They are two different types of molecules that each contain the same number of atoms. B. They are two different types of atoms that are each made up of a different number of elements. C. They are compounds made of the same two elements, but each contain different numbers of atoms. D. They are matter made of the same two compounds, but each contain different types of elements.

[Done] The vertices for the hyperbola $\frac{(y-2)^2}{16}-\frac{(x+1)^2}{144}=1$ are $(-1,6)$ and $(-1,-2)$. A. True B. False

[Done] For the [tex]$n=3$[/tex] electron shell, which of the following quantum numbers are valid? Check all that apply. [tex]$I=3$[/tex] [tex]$m=3$[/tex] [tex]$I=0$[/tex] [tex]$m=-2$[/tex] [tex]$I=-1$[/tex] [tex]$m=2$[/tex]

[Done] What value(s) of [tex]$x$[/tex] make the equation [tex]$x^2-18 x+81=0$[/tex] true? A. 0, -9, 9 B. -9, 9 C. 9 D. 0, 9

[Done] Which countries are embargoed and require special attention? A. Iran, North Korea, Syria, Cuba, and the Crimea region of Ukraine B. United Arab Emirates, Saudi Arabia, Oman, and Iraq C. South Korea, Bhutan, Wakanda, and Nigeria D. Yugoslavia, Catalonia, Kingdom of Sikkim, and Ceylon

[Done] Liz and Bob just had a baby named Isabelle, and they want to save enough money for Isabelle to go to college. Assume that they start making monthly payments when Isabelle is 5 into an ordinary annuity earning 4.1%, and they calculate that they will need $28,700.00 by the time Isabelle turns 18. How much should they deposit every month so that they reach their goal? Deposit amount = $

[Done] Mitchell travels from the US to Canada, where he exchanges 150 US dollars for Canadian dollars. He then spends 20 Canadian dollars, returns to the US, and exchanges the remaining money back to US dollars. How many US dollars does Mitchell have remaining? A. 129.46 B. 130.00 C. 130.62 D. 134.59

[Done] Solve for rate. 16 is what % of 4?

[Done] Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. What value of $p$ makes the equation true? [tex]$-3 p+\frac{1}{8}=-\frac{1}{4}$[/tex] $p=$

[Done] Define Type 1 diabetes and discuss factors that contribute to its development. How is Type 2 diabetes different?