1. find the sum of the series . 15 show your work
∑(2n-1)
n-1

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin