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Questions in Grade College

[Done] Which explains how to find the radius of a circle whose equation is in the form $x^2+y^2=z$? A. The radius is the constant term, $z$. B. The radius is the constant term, $z$, divided by 2. C. The radius is the square root of the constant term, $z$. D. The radius is the square of the constant term, $z$.

[Done] Select the correct answer. Create and solve a linear equation that represents the model, where circles and a square are shown evenly balanced on a balance beam. A. [tex]$x+6=16 ; x=10$[/tex] B. [tex]$x+10=6 ; x=-4$[/tex] C. [tex]$x=6+10 ; x=16$[/tex] D. [tex]$x+6=10 ; x=4$[/tex]

[Done] Which of the following is an example of a cash inflow? A. Receiving interest on a savings account. B. Buying groceries. C. Paying rent. D. Repaying a loan.

[Done] All experiments start with a question. In order to formulate a hypothesis, or make a prediction about the outcome of an experiment, the question must be testable. Testable questions are those questions that can be answered through experiments and observations. They involve measurable variables and lead to observable outcomes that can be recorded and analyzed. On the other hand, non-testable questions usually involve opinions, personal beliefs, or other concepts that cannot be objectively quantified or measured. Which of the following questions is testable? (select all that apply) A. Am I a good singer? B. Why are daffodils the best flowers? C. Does the amount of sunlight affect the growth rate of tomato plants? D. Does changing the shape of a plane's wings affect its ability to fly? E. What is the meaning of life? F. Do different liquids freeze at different temperatures?

[Done] The baby boom lasted until A. the early 1980s. B. the mid-1970s. C. the late 1950s. D. the mid-1960s.

[Done] Draw the Lewis structure for the hypochlorite ion, $ClO^{-}$. Include lone pairs and formal charges.

[Done] Find the net change in the value of the function between the given inputs. [tex]g(t)=1-t^2 ; \quad \text { from }-4 \text { to } 9[/tex]

[Done] Solve $k x+7=4$ for $x$. A. $x=\frac{k}{3}$ B. $x=-\frac{k}{3}$ C. $x=\frac{3}{k}$ D. $x=-\frac{3}{k}$

[Done] Which interacts more with light of relatively high frequencies? A. small particles B. large particles C. both the same

[Done] \frac{a+b}{(a-2 b)^2}-\frac{1}{2 b-a}