Answer:
x = 78° , y = 115°
Step-by-step explanation:
The angle adjacent to x on the left side is corresponding to 102° , then
x = 180° - 102° = 78°
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y and 115° are corresponding angles and congruent, then
y = 115°
Answer:

Step-by-step explanation:
We have given integral 

, here
and 
Now first integrate 
So 
Integrating by part



So
Answer:
temperature
Step-by-step explanation:
it dropped by 15 so it subtracted 15. - 15