Joyce paid $100 for an item at the store that was 20 percent of the original price. what was the original price?

What is negative 3/9 times negative 2/8 ?

Find the missing dimension extra points

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