The size of a computer class is limited to fifteen people. If three seats are still available, to what percent of its capacity is the class full?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

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.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?