Answer:
1. is A
and
2. is c
Step-by-step explanation:
hope this helps
Answer:
Step-by-step explanation:
multiply each side by 2
subtract 3 from each side
multiply each side by -1
Answer:
This is an arithmetic sequence with a common difference <em>d</em> of -9
Step-by-step explanation:
When you find out <em>d</em>, you realize the difference between the numbers to be -9. Since it is <em>d</em> and not common ratio <em>r</em>, it is an arithmetic sequence.
Answer: x = 4 / 2y-z
Step-by-step explanation: Move all of your terms to the left and then set your equal as 0. Then, set each of your factors equal to 0, as well.
I hope this helps you out.