Brinn’s rectangular kitchen has An area of 81 ft.². The kitchen is nine times as many square feet as Brinn’s pantry. If the rectanglular pantry is 3 feet wide, what is the length of the pantry?

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

How do you find the circumfrance of a circle?

Identify the number 127 as a rational or irrational. explain