4x+24=84 4x=60 x=15 length =27 width = 15
The Answer is 1600
Hope this helps :)
The sum of the first five terms is 11/2
<h3>How to determine the sum?</h3>
The series is given as:
1/2, -1,2,-4…
Calculate the common ratio of the series using
r = -4/2
Evaluate
r = -2
The sum is then calculated as:

This gives

Evaluate

Evaluate

Hence, the sum of the first five terms is 11/2
Read more about series at:
brainly.com/question/11346378
#SPJ1
Yes because 2 is less than 4 and you would have to regroup