<span>a = ln(35) I believe is the correct answer. If correct brainliest answer plz </span>
You need to have a little more detail in your answer, sir or madam.
The common difference, d, can be determined by subtracting the two consecutive values:
1 - 5 = -4
-3 - 1 = -4
-7 - -3 = -4
Then, using the equation:
an = a1+ d(n-1)
a_21 = 5 + (-4)(21 - 1)
a_21 = -75
The answer is letter D. I hope I was able to help you. Have a good day!
It is 2.5 times more expensive.
50 Percent of 4 is 2.
So, 4 + 4 + 2 = 10
