What is the difference between 4 ∑ 2n+1 n=1 and 4∑ *2i+1) i=1? 0
3
4
7

The answer is 3, I just wanted to put the answer here cause there was another question that didn't have the answer and I couldn't comment ! I got a 100 on the quiz so tell me if this is wrong (:

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172

3x = 729 solve for x plz . it's urgent. will mark