Based on pythagorean identities, which equation is true?
o sin? e 1-cos?
o sec? etan? --1
o -cos? -1--sin
o cote-csc? --1

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

38 points and brainliest plz answer question in word document