Provide the standard “equation of the circle” for a circle who’s diameter has endpoints (5,3) and (-9,7)

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

Find the value of the cosine for angle a

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base