Collin is building a deck on the back of his family's house. He has enough lumber for the deck to be 75 square feet. The length should be 10 feet more than its width. The situation can be represented by w2
+ 10w - 75 = 0. What should the width of the deck be?

A. 15
B. -5
C. -15
D. 5

the answer is c.

for continuous functions, they continue in the same pattern and you have to find that pattern kinda like slope

the answer is -1 1/5, also a

hope i

-lavira : )

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."