Answer:
8
Step-by-step explanation:
A parallelogram
Because...
-opposite angles are congruent
-four sides
-angles must equal 360
100 + 100 +80 + y = 360
280 + y = 360
y = 80
-the angle we don't know is 80 degrees
Answer:
A
Step-by-step explanation:
When X is less than -1, positive parabola.
Answer:
C
Step-by-step explanation:
Hope this helps :)
Answer:
where 
denotes number of drinks and 
denotes number of pastries.
Step-by-step explanation:
Let denotes number of drinks and denotes number of pastries.
Cost of the average drink = $4.50
Cost of the average pastry = $2.25
Total amount = $5,250
Therefore,
