Answer:x=1, y=2, z=-1
Step-by-step explanation:
This is an arithmetic sequence because we are adding the same amount each time. In this case, we are adding -4 to each term to get the next term
17 + (-4) = 13
13 + (-4) = 9
9 + (-4) = 5
and so on. The starting term is 
The common difference is 
The nth term of the arithmetic sequence can be found by this formula

For instance, if n = 2, then,

which matches up with the second term listed.
Answer:
B
Step-by-step explanation:
For plan A you would pay $60 for at least one visit but for plan B it would be $40 for one visit
Answer:
Step-by-step explanation:
