Apattern for a rectangular banner is 3 inches wide and 4.5 inches long. the scale of the pattern is 1 inch=6 feet. the banner will be divided diagonally into two congruent triangular sections. one section will be made of red fabric, and the other section will be made of blue fabric. how much blue fabric is needed for the

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

What is r i 4.5+10r=-6.5 with work pls