Q1. What is the symbol called that looks like a capital E, and means to add all your terms in a Finite or Infinite series? A1.

Q2. Sometimes we look at a partial sum of a series, that is, from the 1st term to the 10th term, even when 12 terms are listed. How many numbers (terms) will be added together in this series? A2.

Q3. Now try this one, how many numbers (terms) will be added together in this partial sum, 6th term to the 25th term? A3.

(*Hint: This is known as the upper bound number subtract the lower bound number plus the number one)

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Pls brainliest will be awarded if answer is correct