Help answer the 3 questions pls i’m doing a test it’s due in 5 min i’ll mark brainliest

Akitchen floor is made up of tiles that are in the shape of the triangle shown there are 40 tiles on the kitchen floor what is the total area of the floor

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

What is the benefit of converting measures in a ratio to the same unit