What is 230% as a mixed number in simplest form

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.

Find the slope of the line that passes through the points (-3, -1) and (0, 3). 3/4 0 4/3