Find the measure of each angle. Tell what postulate(s) or theorem(s) you used. 15 points!!

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

What type of symmetry does a rhombus have?

Which method of gathering data will be most effective in learning how diet and fitness choices affect long-term healt