3. 90 degrees
5&6 is 60 dgrees
EXPLANATION
When x=6 and y=13 x+y = 6 + 13 = 19
x + y = 19
Answer:2.5
Step-by-step explanation:
Answer:
If the battery starts completely charged then after one hour it will be at 80% so at two hours it will be at 60. and there is 60 minutes in one hour so it goes down 10% in 30 minutes so it goes down 5% in 15 so it goes down 2.5% in 7.5
Answer:

Step-by-step explanation:

The sum of the co interior angles is 180 degrees
I’m sorry this is all I can say! So she has 28 points. But what do we really have to record?