Convert the units.19 ft2 = 
yd2
A. 171
B. 228
C. 2.11
D. 1.58
Answer: C
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Solve the problem.How many 3-digit numbers are there in our system of counting numbers?
A. 27 B. 900 C. 899 D. 6
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of -2i
A. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
B. 32(cos 54° + i sin 54°), 32(cos 126° + i sin 126°), 32(cos 198° + i sin 198°), 32(cos 270° + i sin 270°), 
C. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
D. 
(cos 45° + i sin 45°), 
(cos 117° + i sin 117°), 
(cos 189° + i sin 189°), 
(cos 261° + i sin 261°), 
Use the two-stage method to solve.Maximizez = 12x1 + 15x2subject to:x1 + x2 = 10 3x1 + 3x2 ? 36 4x1 + 2x2 ? 18 x1 ? 0, x2 ? 0
A. Maximum is 147 for x1 = 1, x2 = 9 B. Maximum is 144 for x1 = 2, x2 = 8 C. Maximum is 120 for x1 = 10, x2 = 0 D. Maximum is 150 for x1 = 0, x2 = 10
Provide an appropriate response.A trigonometry student makes the statement, "If we know any two sides and one angle of a triangle, then the triangle is uniquely determined." Is this a valid statement? Explain, referring to the congruence axioms.
What will be an ideal response?