Answer:
arithmetic sequence
A sequence with the difference between two consecutive terms constant. The difference is called the common difference.
Step-by-step explanation:
Part A: the value of x is 0 because anything to the zero power is 1
part B: x can be any number. 6 to the 0 power is 1 and 1 to any power is 1
Answer:
(x+3)^2+(y+2)^2=80
Step-by-step explanation:

For each boy, there are 5 girls