Given: morp = 80°
morn = (3x + 10)°
prove: x = 30

which statement could be used in step 2 when proving x = 30?

orp and orn are a linear pair
orp and orn are vertical angles
80 = 3x +10
x = 30

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

How many grams the dog will eat in 3 days?

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?