you have a sprocket on the front with 13 teeth. if it is turning 100 RPM on the front and you want 75 on the rear, what number of teeth sprocket should you put on?​

With both problems. a.s.a.p directions on photo ^

Item 1 solve for s. s+24=90 −114 −66 66 114

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.