A trapezoid is shown. 15 units 12 units 20 units What is the area, in square units, of the trapezoid? A 180

B. 210

C. 240

D. 420​

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

8.74 rounded to the nearest whole number