Find the sum of the first 8 terms of the following series, to the nearest integer.
36, 30,25,...

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two