Factor out the greatest common factor.3z - 12
A. 3(z - 4)
B. 4(z - 3)
C. 3(z + 4)
D. 3(z - 12)
Answer: A
Mathematics
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The marginal tax rate is the additional tax owed on each additional dollar of income.
Answer the following statement true (T) or false (F)
Mathematics
Find the center-radius form of the equation of the circle.center (4, 0), radius 
A. x2 + (y - 4)2 = 49
B. (x - 4)2 + y2 = 
C. (x - 4)2 + y2 = 7
D. (x + 4)2 + y2 = 7
Mathematics
Using synthetic division, determine whether the numbers are zeros of the polynomial.i, -i, 3; f(x) = x3 - 3x2 + x - 3
A. No; no; no B. Yes; yes; yes C. No; no; yes D. Yes; yes; no
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 0.15% annually. Determine the half-life of this isotope, to the nearest year.
A. 333 yr B. 201 yr C. 5 yr D. 462 yr
Mathematics