Rst0u times r to the zero power s to the eighth power t to the eighth power u to the third power

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction