The first one is correct I think.
You need to expand the brackets eg.
(w-9)8 basically means 8 x (w-9) = 8w-72
Answer + Step-by-step explanation:
the inequality by finding the boundary line, then shading the appropriate area.
y > − 5/2x − 5
(anything in shaded region)
He would need to sell 28 because
12.50*28=350 and 350+50=400
Surface area of a cube is n^2, n being the measurment of any one side of the cube. In this case, 13x13=169, so the answer is 169 mL^2.