all the positive integers are written ina triangular pattern, beginning with the following four lines and continueing in the same way: which number appears directly below 2012

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 grams the dog will eat in 3 days?

Which is the focus of a parabola with equation y2=4x