Jack is 1.75 m tall and casts a shadow 2.25 m long. at the same time, a statue casts a
shadow 9 m long. what is the height of the statue?

What is the difference between the equations of a vertical and a horizontal line?

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

Use sigma notation to represent the following series for 9 terms.