The morenos invest 1 in an account that grows to 12000 in 5 years what is the annual interest (r) if interest is compounded
a. quarterly b. continuously

In the surface area formula for cylinders which expressionrepresents the lateral area

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?