Answer:
B. 53.1 cm³
Explanation:

Here Given:
height: 11.5 cm
diameter: 4.2 cm
radius: d/2 = 4.2/2 = 2.1
Volume:


≈ 
Answer:
864
Step-by-step explanation:
let's take side of the cube as C. then volume of the cube will be C^3. we know that C^3 is 1728 inches. so C = 12. total surface area of a cube is 6*C*^2. so that is equal to 6×12×12 = 864
1/2 4ab + 1/4 4ab
4.5ab + 4.25ab
Answer:
easy $2,400
Step-by-step explanation:
Answer would be b I think sorry if it’s wrong