kyle was researching the stock market and found that in a 4 year time frame the annual percentage changes were -15.9%,22.3%,-5.6% and 25%. what is the average annual percentage change for the past 4 years?

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

What is the quadric regression equation that fits these data

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?