Physical education and public health

The variable in a relation who’s value depends on the value of the independent variable is called what?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Th perimeter of a rectangular garden is 150 feet. the length is 50 feet longer than the width, w. which equation could be used to calculate the width of the garden? a.) 2w+ 2(w-50) =150 b.) 2w+50 + 2w =150 c.) 2(w+50) + w =150 d.) 2w+ 2(w + 50) = 150 need asap. will give brainliest !