Help! I will give brainliest! Write a positive or negative integer that represents the situation.

A hiker climbs 900 feet up a mountain.

The integer___represents the situation.

What 2 forces allow things to fall ‍♀️‍♀️

What are the values of each variable in the diagram below?

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.