Answer: 171
Step-by-step explanation:
An obtuse angle means more than 90 degrees. (90 degrees would be the inside corner of your notebook paper) a straight line would be 180 degrees. 171 is the closest to 180
Answer: I don’t think I understand can you set this up differently so I can answer this please
Step-by-step explanation:
Answer: 
Since 8 is being multiplied to the 3 power we multiply it 3 times.
is written like 

keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above

well then therefore

so we're really looking for the equation of a line with slope of -1/3 and that passes through (1, -3 )

It will take 22 truck loads to haul all the dirt away.
42×29.7×8=9912
9912÷425.5=42 truckloads