Geometry -true or false- After we prove that a theorem is true it becomes a definition

(write as unit rate) 12 meters in 2.8 seconds =

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell