Who will help i give 20 points please help and be sure with answer i need it in 20 minutes

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

Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x

If 20% of a number is 35, what is 50% of that number?