X+Y=9
$21.50x+$21.70y=$215.70

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.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?