Answer:
(3, -7)
Step-by-step explanation:

The answer is c because every quadrilateral adds up to 360 so when you add all the numbers you get 290 and when you subtract 360-290 is 70.
The answer that you should get is 5(5x^2- 24x +30)
Answer: 20 Chocolate Chips
Step-by-step explanation:
X+10=18. |-10 from both sides
x+10-10=18-10
x=8