Solve the equation.log5 (7x + 4) = log5 (7x + 7)

A. -  
B.  
C. 0
D. No solution

Answer: D

Mathematics

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Use the distance formula to find the distance between the points.(2, 3), (-2, -2)

A.
B. 20 
C.
D. -1 

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Use the equation to identify the slope and the y-intercept of the graph.y = x - 5

A. m = ; (0, 5)
B. m = ; (0, -5)
C. m = - ; (0, -5)
D. m = - ; (0, 5)

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Find the integral.dx

A.  sin4 x + C
B. 3 sin3 x + C
C. -3 cos3 x + C
D. -  cos4 x + C

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Simplify to the form a + bi. + 15i2

A. -15 + 7
B. 15 + 7i
C. -15 + 7i
D. -15 - 7i

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Mathematics