What do you think if body parts, animals’ behavior, movement of celestial bodies, or the nature are still used at present time in measuring without

any of the invented instruments

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

How can writing phrases as algebraic expressions you solve problems?