Simplify. Assume that all variables are nonzero.
A. Undefined
B. 15
C. 0
D. 1
Answer: C
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Solve the problem.Find the moment of inertia about the y-axis of a lamina in the first quadrant bounded by the coordinate axes and the curve 
if 
.
A. Iy ? 
B. Iy ? 
C. Iy ? 
D. Iy ? 
How many permutations does a combination lock have if each combination has 3 numbers, no two numbers of the combination are the same, and the lock dial has 35 notches?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The table shows the number of dollars spent in Country X (in millions) on environmental protection programs during the years 
through 
. Use least-squares regression to find the polynomial function that best models these data. Round coefficients to three decimal places. 
A. f(x) ? -0.010x2 + 0.346x + 5.253 B. f(x) ? 0.007x3 - 0.105x2 + 0.805x + 4.397 C. f(x) ? 0.005x3 - 0.102x2 + 0.805x + 4.697 D. f(x) ? -0.010x2 + 0.446x + 5.759
Graph the linear inequality.3x - 12 > -4y
A. 
B. 
C. 
D. 