102
the angles are alternate so they add up to 180
180-78=102
hope this helps :)
if you need me to explain more just let me know :)
Answer:
y + 10 = 0
Step-by-step explanation:
Slope of horizontal line is zero (0)
m = 0
By point slope form of a line.

Answer:
it would take 10 hours
Step-by-step explanation:
Not really sure what exactly you are asking, but maybe a bar graph?