Bill is 6 feet tall he casts 4 foot shadow that at the same time a tree that is 16 foot tall casts a shadow use someone triangles to find the height of the tree

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?