For the given arithmetic series, what is Sn?a1 = 23, d = -5, and n = 15
A. -180
B. -157
C. -360
D. -720
Answer: A
Mathematics
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Solve the problem.In an electric instrument called a "Wheatstone bridge", electric resistances are related by 
Find R2 if 
and 
If necessary, round to two decimal places.
A. 34 ? B. 3.4 ? C. 0.03 ? D. 2.94 ?
Mathematics
Solve the problem. Round to the nearest cent unless otherwise noted.Find the monthly payment required to accumulate $400,000 in 15 years at an APR of 8% compounded monthly for an annuity.
A. $1155.94 B. $770.84 C. $1004.96 D. $878.23
Mathematics
Provide an appropriate response.Solve the following equation: 9 + x = -13
Fill in the blank(s) with the appropriate word(s).
Mathematics
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 
, g(x) = 
Find 
(x).
A. x
B. 
C. 
D. 
Mathematics