How do you set up explicit and recursive sequences?

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.