Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9
B. 12
C. 10
D. 2
Answer: A
Mathematics
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Graph the piecewise-defined function.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Translate the following statement into symbols. ? Dinner includes soup and salad, or the vegetable of the day. ? Use p for soup, d for salad, and v for vegetable. ?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Provide an appropriate response.A prediction made by early psychology relating the magnitude of a stimulus x to the magnitude of a response y is expressed by the equation y = kx2, where k is a constant of the experiment. In an experiment on noise levels, 
Use a graphing calculator to graph the equation.
What will be an ideal response?
Mathematics
Solve the equation by making an appropriate substitution.x - 12
+ 35 = 0
A. {5, 7}
B. {-5, 5, -7, 7}
C. {25, 49}
D. {-
, 
, -
, 
}
Mathematics