Exam figure a2 shows a ladder positioned against a building

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

The area of a circle is equal to 1 dm². find the radius of the circle.

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?