Are the following triangles similar or not similar?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?