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Questions in Grade College

[Done] Solving an Equation for a Rate Problem | | Rate (km/h) | Time (h) | Distance (km) | | :---- | :---------- | :------- | :------------ | | Trip1 | 40 | $0.9-x$ | 40(0.9-x) | | Trip2 | 5 | $x$ | $5x$ | Talia took the bus from her home to the bank and then walked back to her home along the same route. The bus traveled at an average speed of [tex]$40 km / h$[/tex] and she walked at an average speed of [tex]$5 km / h$[/tex]. To determine the time, [tex]$x$[/tex], that it took Talia to walk home, she used the equation [tex]$40(0.9-x)=5 x$[/tex]. The time of Trip 2 is hours. The distance of Trip 1 is km.

[Done] Give 5 environmental impacts of mining.

[Done] Answer each of the following questions. a. 63 is 30% of what number? b. What is 7% of 150? c. 61.5 is what percent of 20.5? d. 16 is 40% of what number?

[Done] Which equation shows how to calculate how many grams $(g)$ of KCl would be produced from 4 mol KOH? The balanced reaction is: $MgCl_2+2 KOH \rightarrow Mg(OH)_2+2 KCl$ A. $\frac{4 mol KOH }{1} \times \frac{1 mol KCl }{2 mol KOH } \times \frac{74.55 g KCl }{1 mol KCl }$ B. $\frac{4 mol KOH }{1} \times \frac{2 mol KCl }{1 mol KOH } \times \frac{74.55 g KCl }{1 mol KCl }$ C. $\frac{4 mol KOH }{1} \times \frac{2 mol KCl }{2 mol KOH } \times \frac{74.55 g KCl }{1 mol KCl }$ D. $\frac{4 mol KOH }{1} \times \frac{1 mol KOH }{1 mol KCl } \times \frac{74.55 g KCl }{1 mol KCl }$

[Done] Will's boss has asked him to compile the credit scores of everyone in his department. The data that Will collected is shown in the table below. What is the mode of the credit scores in Will's department? (Round to the nearest whole point, if applicable.) | 634 | 667 | 644 | 892 | 627 | 821 | 857 | 703 | 654 | A. 667 B. 722 C. 627 D. There is no mode in this group

[Done] Read the excerpt from chapter 23 of The Adventures of Huckleberry Finn. "Well, that's what I'm a-saying; all kings is mostly rapscallions, as fur as I can make out." Which of the following groups was Twain attempting to satirize with this statement? A. the uneducated B. the townspeople C. the people in power D. the people of Arkansas

[Done] The top of a wood drawer is $\frac{1}{16}$ " too tall to fit into the drawer space. Which of the following tools should be used to remove the excess wood? A. plane B. gouge C. radial arm saw D. reciprocating saw

[Done] Why does all stock delivered to food outlets need to be rotated? What is the reason for that? Select from the list below (3 correct answers): Select all that apply: [ ] Reduce the amount of stock loss due to items becoming out of date [ ] Maximize profit [ ] Minimize the chance of serving contaminated food to customers and staff [ ] Avoid loading new stock behind the older stock in order to have always the freshest ingredients to use [ ] All of above

[Done] The chart describes four situations involving financial responsibility. | Person | Financial Decisions | |---|---| | Hallie | Has multiple loans at the same time | | Hayden | Has more income than the amount of debt | | Alison | Made payments less than the minimum amount due | | Joel | Made late payments several times before the bill was paid | Which person is financially responsible?

[Done] Air quality is important to both human health and overall environmental quality.