For the given arithmetic series, what is Sn?a1 = 5, d = 7, and n = 14
A. 2828
B. 707
C. 1414
D. 721
Answer: B
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Solve the equation.
= 
A. 
B. 
C. 
D. 
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(-6, -17), (-17, 14), (1, 4)}
A. Not one-to-one B. {(-17, -6), (14, -17), (4, 1)} C. {(-6, 14), (-6, -17), (4, 1)} D. {(-17, -6), (1, -17), (4, 14)}
Translate the sentence to an equation then solve.2.3 times y is equal to 46.
A. 46y = 2.3, y = 20
B. 
= 46, y = 2116
C. 2.3y = 46, y = 2.3
D. 2.3y = 46, y = 20
Solve the problem.Linda invests src="https://sciemce.com/media/4/ppg__tttt0520190927__f1q129g6.jpg" alt="" style="vertical-align: -4.0px;" /> and 
for one year. Part is invested at 
, another part at 
, and the rest at 
. The total income from all 3 investments is 
. The combined income from the 
investments is the same as the income from the 
investment. Find the amount invested at each rate.
A. $10,000 at 5%; $5000 at 6%; $10,000 at 8%
B. $8000 at 5%; $10,000 at 6%; $7000 at 8%
C. $5000 at 5%; $10,000 at 6%; $10,000 at 8%
D. $10,000 at 5%; $10,000 at 6%; $5000 at 8%