The universal set = {-4, -3, -2, -1, 0 , 1, 2, 3, 4} and A = {0}. what is the complement of A?

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

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.