If we put withdrawals and deposits in the same column, how can they be represented? Andre withdraws $40 to buy a music player. What is his new balance? If Andre deposits $100 in this account, will he still be in debt? How do you know?

the answer is 8/21

hope this

answer: idk

step-by-step explanation:

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."

this cant be answered without the graph. you may need to add it.