Evaluate each expression: 1.) 32+5+8+15 2.) 1/3 x 4 x 9 x 1/2

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

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

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *