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Questions in Grade College

[Done] Particle A has very little mass in comparison to Particle B. Both particles are in the same atom. Which is the best conclusion about Particles A and B? A. They have the same charge. B. They are located in the nucleus together. C. Particle A has a positive charge, and Particle B is neutral. D. Particle A orbits the nucleus, and Particle B is located in the nucleus.

[Done] The height of a right rectangular prism is 3 units greater than the length of the base. The edge length of the square base is x units. Which expression represents the volume of the prism, in cubic units? A. [tex]$x^3+9$[/tex] B. [tex]$x^3+3 x^2$[/tex] C. [tex]$x^3+3 x+3$[/tex] D. [tex]$x^3+6 x^2+9 x$[/tex]

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] How many distinct triangles can be formed for which [tex]$m \angle A=75^{\circ}, a=2$[/tex], and [tex]$b=3$[/tex]?

[Done] Put the steps of developing an effective research question in the correct order: 1. Identify keywords within a topic 2. Rephrase the topic as a question 3. Evaluate the quality of the question 4. Refine the question as needed 5. Finalize the question

[Done] What is 14? Round your answer to the nearest hundredth (two decimal places).

[Done] Describe the effect an increase in $i$, the interest rate applied to the present value, has on the monthly payment $P$ in the formula [tex]$P=P V \cdot \frac{i}{1-(1+i)^{-\pi}}$[/tex] A. An increase in $i$, the interest rate, will not change $P$, the monthly payment. B. An increase in $i$, the interest rate, will create an increase in $P$, the monthly payment. C. An increase in $i$, the interest rate, will create a decrease in $P$, the monthly payment. D. An increase in $i$, the interest rate, can increase or decrease $P$, the monthly payment, depending on the value of PV.

[Done] Skin creams contain chemicals associated with healthy skin. A. True B. False

[Done] Condense the expression. [tex]$\begin{array}{c} \log 5-2 \log x \\ \log [?] \end{array}$[/tex]

[Done] In the structure of 4-isopropyl-2,4,5-trimethylheptane, identify the primary, secondary, tertiary, and quaternary carbons. Use the abbreviations: p is primary, s is secondary, t is tertiary and q is quarternary.