RT = 42 ê and R2 = 84 ê. Find R1.





a. 42 ê

b. 63 ê

c. 84 ê

d. 105 ê

e. 126 ê

c. 84 ê

Mathematics

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Find Dxy.y = x3 tanh-1 4x

A. 3x2 tanh-1 4x + 
B. 3x2 tanh-1 4x + 
C. 3x2 tanh-1 4x + 
D. 3x2 tanh-1 4x + 

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Determine whether the pair of fractions is equivalent.  and  

A. not equivalent B. equivalent

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Simplify by combining like terms.-2a - 7a

A. 5a B. 9a C. -9a D. -5a

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Solve. - 2 = 13

A. -10, 10 B. 16, 10 C. -20, 10 D. -6, 10

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Mathematics