Can yall help me plz
20 pt

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30