A student wrote the terms below.

What do these terms represent?
an arithmetic series
an arithmetic sequence
a geometric series
a geometric sequence

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Write the equation of the line that passes through (3, 4) and (2, −1) in slope-intercept form. (2 points) y = 3x − 7 y = 3x − 5 y = 5x − 11 y = 5x − 9