Which rational number corresponds to point A on the number line?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

What is 6/10 rounded to the nearest half

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters