Find the area of the circle. Use ? ? 3.14 and round to the nearest hundredth.diameter = 12 ft
A. 75.36 ft2
B. 452.16 ft2
C. 113.04 ft2
D. 37.68 ft2
Answer: C
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Solve the problem.An airplane is flying in the direction 38° east of south at 885 km/hr. Find the component form of the velocity of the airplane, assuming that the positive x-axis represents due east and the positive y-axis represents due north.
A. 
B. 
C. 
D. 
Provide an appropriate response.The formula for calculating a single discount equivalent is:
A. 1 plus the trade discount series B. 1 minus the net decimal equivalent C. 1 plus the net decimal equivalent D. 1 minus the trade discount series
Solve the problem.Conrad and Dobler are the two top salesmen in an office that sells personal computers and security systems. The tables below show their sales figures for July and August. July Sales ($) August Sales ($) 
Write the matrix which shows the increase (decrease) in sales from July to August.
A. 
B. 
C. 
D. 
Evaluate the terms of the sum using the given information.x1 = -1, x2 = -2, x3 = -3, x4 = 4, and ?x = -0.7; f(x) = x2
A. -0.7 - 2.8 - 6.3 - 11.2 B. -2.8 - 6.3 - 11.2 C. -0.49 - 0.98 - 1.47 + 1.96 D. 0.7 + 1.4 + 2.1 - 2.8