5(-6+8)-(8+12)=
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You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

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

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units