Plz im being time what is the reciprocal of 6 1/4 ?

4/25
1/64
−6 1/4
−42/5

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation