(brainliest) help Mrs. Johnson and her dog Prissy pls

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

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

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss