THIS QUESTION IS vERY URGENT 30 POINTS

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi