Solve.In a circle with a 12-ft radius, how long is an arc associated with an angle of 1.4 radians?
A. 8.6 ft
B. 16.8 ft
C. 10.6 ft
D. 13.4 ft
Answer: B
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Find the intersection.x + y + z = 8, x + y = 14
A. x = t, y = 14 - t, z = -6 B. x = -1, y = 1 + 14t, z = -6t C. x = -t, y = 14 + t, z = 6 D. x = -t, y = 14 + t, z = -6
Provide an appropriate response.Write the simplex tableau, label the columns and rows, underline the pivot element, and identify the entering and exiting variables for the linear programming problem:Maximize P = 5x1 + 3x2 subject to 
?
A. Exit
Enter 
B. Enter
Exit 
C. Exit
Enter 
D. Enter
Exit 
Find the quotient of the following real numbers.-16 ÷ (-1)
A. 16 B. -16 C. undefined D. 0
Solve the problem.The polynomial -0.4t2+ 11t describes the average number of digits that participants in a memorization experiment were able to recall after t minutes. Find the number of digits recalled after 7 minutes. Round to the nearest digit.
A. 77 digits B. 57 digits C. 37 digits D. 97 digits