Solve the problem.The following table shows the number of resistors, in thousands, produced by Allied Electronics in 3 recent years. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. 9
B. 11
C. 12
D. 10
Answer: D
Mathematics
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Solve the problem.Jon throws all his nickels and dimes in a jar at home each day. He counted all his coins one day and found that he had collected $42.70. If there were five times as many nickels as dimes, how many of each coin does he have?
A. 610 dimes; 605 nickels B. 610 dimes; 122 nickels C. 122 dimes; 610 nickels D. 122 dimes; 5 nickels
Mathematics
Use a graphing utility to find the indicated limit rounded to two decimal places.
A. 3.00 B. 2.96 C. 2.00 D. 2.04
Mathematics
Round the following decimal to the indicated place. 7.744; tenths
A. 7.9 B. 7.7 C. 7.6 D. 7.8
Mathematics
Find the area of the geometric figure.
Use 3.14 for ?.
A. 14.13 sq ft B. 7.065 sq ft C. 42.39 sq ft D. 18.84 sq ft
Mathematics