Find the sum.2 - 
+ 
- 
+ . . .
A. 
B. 
C. - 
D. Does not exist
Answer: B
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Divide.
A. 38,597.71 B. 38.59771 C. 3.859771 D. 3859.771
Use a graphing calculator to plot the data and find the quadratic function of best fit.An engineer collects data showing the speed s of a given car model and its average miles per gallon M. Use a graphing calculator to plot the scatter diagram. What is the quadratic function of best fit?
A. M(s) = -6.309x2 + 0.720x + 5.142 B. M(s) = -0.631x2 + 0.720x + 5.142 C. M(s) = -0.0063x2 + 0.720x + 5.142 D. M(s) = 0.063x2 + 0.720x + 5.142
Provide the proper response.For the graph of y = 
x2, in what direction does the parabola open if c > 0?
A. upward B. to the left C. to the right D. downward
Construct a probability model for the experiment.Spinner I has 3 sections of equal area, numbered 1, 2, and 3. Spinner II has 3 sections of equal area, labeled Red, Yellow, and Green. Spin Spinner I twice, then Spinner II.What is the probability of getting a 2, followed by a 1, followed by Yellow or Red?
What will be an ideal response?