Cato's age is half the summer of her brothers age and six if cato is nine years old how old is her brother

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

What is the total surface area of the square pyramid

Could these triangles be congruent? yes, if ab - deyes, if bc = 7yes, if ab - efno, because the hypotenuses must have different lengths