Solve the divison problem (-1 3/5) / (-2/3) as a mixed number

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

How do i put 3(x+7) in distributive property

Will give brainliestbased on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m?