At a ice cream shop the ratio of sugar cones sold to waffle cones sold is 10: 7. if there are 40 sugar cones sold. how many waffles cones would be sold

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis

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Solve for x and select the correct answer