Expand (2x – 4)2 using the square of a binomial formula. (2x)2 + 2(2x)(4) – 42

(2x)2 – 2(2x)(4) + 42

(x)2 – 2(x)(4) – 42

(x)2 + 2(x)(4) + 42

You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density