For what values of x and y must each figure be a parallelogram?

Which of these tables represents a non-linear function?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section