3/8 + (-7/8)=
Write the answer in simplest form

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?