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Base of a solid is bounded by y=2, y=arcsinx, and x=1. Each cross section perpendicular to the x-axis is a square. What is the volume? For what values of k is the following integral improper? upper bound is k, lower bound is 0. (x)/(x^2-19x+90)dx? How do I use de Moivre's formula to evaluate (cos pi/7 + i sin pi/7) ^7 in cartesian form? Who is looking for a legit vendor in research chemicals? Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation of 0?