Lana plotted 3 vertices of a square on a coordinate plane .Which are the coordinates of the missing vertex of Lana's square?

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Which best explains why this triangle is or is not a right triangle ?

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work