Propane gas, which is used in barbecues, is denser than air. It is also flammable. Propane appliances are often used in areas without electricity. Explain why a leak from a propane appliance is very dangerous.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

What is the area of the parallelogram? 48 sqrt(3)cm2 48 cm2 24 sqrt (3) cm2 24 cm2

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220