What rule would you use to find the value of 2^-1?

Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2