What is the average temperature (in degrees Celsius) of a city for the past 30 days if the daily temperatures were 25°C, 30°C, 28°C, 23°C, 26°C, and 24°C?
+
Find the surface area of a rectangular solid with length L, width W, and height H.
+
What is the measure of angle "C" in a right-angled triangle ABC if angle "A" measures 45 degrees and angle "B" measures 90 degrees?