Factor the trinomial, or state that the trinomial is prime.a2 + 6a + 8
A. prime
B. (a - 2)(a + 4)
C. (a + 2)(a + 4)
D. (a - 2)(a + 1)
Answer: C
Mathematics
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Evaluate the double integral over the given region.
R: 0 ? x ? 1, 0 ? y ? 2
A. 
B. 
C. 
D. - 
Mathematics
Find the quotient 
of the complex numbers. Leave answer in polar form.z1 = 5(cos 200° + i sin 200°)z2 = 4(cos 50° + i sin 50°)
A. 
(cos 250° + i sin 250°)
B. 
(cos 150° - i sin 150°)
C. 
(sin 150° + i cos 150°)
D. 
(cos 150° + i sin 150°)
Mathematics
Write the number in decimal notation without the use of exponents.8 × 105
A. 8,000,000 B. 0.00008 C. 800,000 D. 0.000008
Mathematics
Convert. When necessary, round the answer to two decimal places.12 feet to inches
A. 48 B. 36 C. 144 D. 432
Mathematics