Can someone help me with this question pls

The triangles are similar. what is the value of x? show your work.

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

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?