Which equation is an identity?
7 - (9x + 3) = -9x - 4
6m - 5 = 7m + 5 - m
10p + 6 - p = 12p - 3(p - 2)
3y + 2 = 3y - 2

Which of the following are parts of a sphere

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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.