Sea level is measured over a 20 year period. The graph shows the number of years since the study began and the corresponding cha
nge in sea level. Which statement best describes the rate of change for the situation?
A. The height of the water increases 0.3 cm per year.
B. The height of the water increases 1.5 cm per year.
C. The height of the water increases 2 cm per year.
D. The height of the water increases 6 cm per year.
The perimeter is the lengths of all sides of the figure added together. Since all sides are equal in this triangle, we know all sides have a length of 9. We know this because all sides have 2 little lines on them, symbolizing that they are equal.
