Joseph is building a scale model of his favourite museum. He’s trying to decide what measurement he should use for the length of the main entrance. He’s using a 1:20 scale and the length of the actual main entrance is 140 cm. What measurement should he use on the model?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

Answer this question i need as soon as possible

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72