The following table represents a linear relationship . Answer the questions about this table​

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.