Add. -  + 

A.
B.
C. - 
D. - 


Answer: C

Mathematics

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Solve the exponential equation. For irrational solutions, round to four decimal places.31 + 2x = 27

A. {1} B. {3} C. {-1} D. {9}

Mathematics

Solve the problem.Find the first five terms of the sequence with first term 8 and nth term an = 2an-1

A. 8, 40, 45, 50, 55 B. 0, 5, 40, 45, 50 C. 8, 16, 32, 64, 128 D. 16, 32, 64, 128, 256

Mathematics

Calculate.43 - 4.28

A. 185.11 B. 38.97 C. 47.53 D. 42.18

Mathematics

Multiply and simplify. ? 

A.
B.
C.
D.

Mathematics