47,258 redondear el decimal hasta la centésima más próxima ​

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.