At 7p. m. last night, the temperature was 10°F. At 7 a. m. the next morning, the temperature was 2°F. Answer?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?