Add or subtract as indicated. Simplify the result whenever possible. Write any answer that contains an improper fraction as a mixed number.
- 
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Find the symmetric equations of the line through (3, 2, 1) and perpendicular to the plane x + 2y - 2z = 2.
A. 
= 
= 
B. 
= 
= 
C. 
= 
= 
D. 
= 
= 
Write an algebraic equation and use it to solve the problem.Don James wants to invest $58,000 to earn $6950 per year. He can invest in 
bonds paying 
per year or in a Certificate of Deposit (CD) paying 
per year. How much money should be invested in each to realize exactly $6950 in interest per year?
A. $33,000 in B-rated bonds and $25,000 in a CD B. $24,000 in B-rated bonds and $34,000 in a CD C. $25,000 in B-rated bonds and $33,000 in a CD D. $34,000 in B-rated bonds and $24,000 in a CD
Solve the problem.A coin is tossed upward from a balcony 
high with an initial velocity of 
During what interval of time will the coin be at a height of at least 
(h = -16t2 + vot + ho.)
A. 0 ? t ? 3 B. 3 ? t ? 6 C. 0 ? t ? 1 D. 2 ? t ? 3
Choose the point on the terminal side of ?.? = 
A. (-1, 1)
B. (
, 1)
C. (2, 2)
D. (1, 
)