Simplify the expression. Assume all variables represent positive real numbers.5 + 5

A. 5
B. 7
C. 35x
D. 35

Answer: D

Mathematics

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Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 21°B = 20°a = 13.8

A. C = 140°, b = 25.3, c = 13.2 B. C = 140°, b = 13.2, c = 25.3 C. C = 139°, b = 25.3, c = 13.2 D. C = 139°, b = 13.2, c = 25.3

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Mathematics

Find the x-intercepts of the graph of each equation.y = 9x2 + 30x + 25

A. ,  
B. ,  
C. ,  
D. ,  

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Mathematics

Find the prime factorization of the number. Write the answer with exponents when repeated factors appear.350

A. 22 ? 52 ? 7 B. 14 ? 52 C. 2 ? 52 ? 7 D. 2 ? 5 ? 7

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Mathematics

Simplify.(-5x)0

A. -1 B. -5 C. 1 D. 0

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Mathematics