Write a numerical expression for the phrase and simplify it.The product of 6 and the difference between 7 and -3

A. (6 - 7)(-3); 3
B. 6[-3 - 7]; -60
C. 6[7 - (-3)]; 60
D. (6)(7) - (-3); 45


Answer: C

Mathematics

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Find the value of df-1/dx at x = f(a).f(x) = x3 - 3x2 - 6, x ? 2, a = 6

A. - 
B. 72
C.
D.

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Use the percent formula, A = PB: A is P percent of B, to solve.30% of what number is 1.8?

A. 6 B. 0.06 C. 54 D. 0.54

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Find the slope-intercept form of the equation of the line with the given properties.Slope = 3; containing the point (-2, 0)

A. y = 3x + 6 B. y = 3x - 6 C. y = -3x + 6 D. y = -3x - 6

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Solve for the indicated variable.I - I0 = (I1 -I0)10-kt, for t

A. t = -  log  
B. t = -  log  
C. t = -  
D. t = -  log(I - I1)

Mathematics