Add and simplify. If the answer is an improper fraction, write it as a mixed number. + 

A. 1 
B.  
C. 1 
D. 4


Answer: C

Mathematics

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Convert.7.8 meters = ___ centimeters

A. 780 B. 0.078 C. 0.0078 D. 7800

Mathematics

Use the rational zeros theorem to determine the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = x5 - 2x2 + 3x + 10

A. ± 1, ± 5, ± 2, ± 10
B. ± 1, ± 5, ± 2
C. ± 1, ± , ± , ± , ± 5, ± 2, ± 10
D. ± 1, ± , ± , ± 

Mathematics

Solve.2(x + 5) + 9 = 4(x + 3) + 11

A. 8 B. 12 C. 4 D. -2

Mathematics

Solve the formula for the specified letter.I =   for r

A. =  - IR 
B. = 
C. =  
D. =  

Mathematics