Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.-5
A. 5(cos 180° + i sin 180°)
B. 5(cos 270° + i sin 270°)
C. 5(cos 0° + i sin 0°)
D. 5(cos 90° + i sin 90°)
Answer: A
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Find the common ratio.3, -9, 27, -81, 243, . . .
A. -3
B. 3
C. - 
D. -12
Perform the indicated operation.44 ÷ (-4)
A. -11
B. - 
C. -21
D. 11
Solve the problem involving related quantities.A 7-ft. board is cut into 2 pieces so that one piece is 3 feet longer than 3 times the shorter piece. Find the lengths of both pieces.
A. shorter piece: 18 ft; longer piece: 21 ft B. shorter piece: 3.5 ft; longer piece: 21 ft C. shorter piece: 9 ft; longer piece: 24 ft D. shorter piece: 1 ft; longer piece: 6 ft
Provide an appropriate response.A statement in a college catalog reads: "No person shall register for Mathematics 180 who has not had four years of mathematics in high school, and who has not obtained a score of 25 or higher on the placement test." Bob registered for Math 180. What is a valid conclusion using the premises in the statement from the college catalog and the statement that follows?
What will be an ideal response?