What is an equation of the line in slope intercept form m=2/7 and the y intercept is (0,-12).

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

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