Solve using the addition principle.z - 2.17 = -8.4
A. 10.57
B. -6.23
C. 6.23
D. -10.57
Answer: B
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Evaluate the expression.
Round to the nearest hundredth.
A. 11.86 B. 6.62 C. 38.21 D. 34.06
Identify the parent function and the transformation shown in the graph. Write an equation for the function shown in the graph.
?
?
A. Horizontal shift of the x-axis of 
B. Vertical shift of the y-axis of 
C. Reflection in the x-axis of 
D. Horizontal shift of the y-axis of 
E. Vertical shift of the x-axis of 
Suppose the IQ scores (rounded to the nearest 10) for a group of people are summarized in the table below. Find the quadratic function that best fits the data, using x as the IQ score and y as the number of people in the group with that IQ score. Use a graphing utility to estimate the IQ score of the maximum number of individuals according to the model. Round your final answer to 2 decimal places. ? IQ Score Number of People 70 53 80 78 90 91 100 87 110 75 120 47 130 17
A. 
The model predicts that the maximum number of people have an IQ score of approximately 94.
B.
The model predicts that the maximum number of people have an IQ score of approximately 90.
C.
The model predicts that the maximum number of people have an IQ score of approximately 90.
D.
The model predicts that the maximum number of people have an IQ score of approximately 94.
E.
The model predicts that the maximum number of people have an IQ score of approximately 90.
Solve the equation. Express radicals in simplest form.
d2 - d + 
= 0
A. 
B. 
C. ?
D. 