Find the root.- 
A. - 
B. -4
C. 4
D. Not a real number
Answer: B
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Convert 13410 to a binary number.
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Solve the problem.Two forces of magnitude 25 pounds and 40 pounds act on an object. The force of 40 lb acts along the positive x-axis, and the force of 25 lb acts at an angle of 80° with the positive x-axis. Find the direction and magnitude of the resultant force. Round the direction and magnitude to the nearest whole number.
A. Direction: 4°; magnitude: 65 lb B. Direction: 40°; magnitude: 47 lb C. Direction: 51°; magnitude: 51 lb D. Direction: 29°; magnitude: 51 lb
Solve graphically. Round solutions to three decimal places, where appropriate.3x2 + 20x + 14 = 0
A. -1.887, -5.78 B. -1.395, -4.272 C. -0.41, -1.256 D. -5.872, -0.795
Write the expression in the standard form a + bi.(7 + 3i)(5 - 6i)
A. 53 + 27i B. 17 + 57i C. 53 - 27i D. -18i2 - 27i + 35