From the top of a slide, a child sees a cat. The cat is 20m away from the foot of the slide. If the angle of depression is 75°, find the height of the slide to 1 decimal place.

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?