You have been assigned a nine-digit identification number. Should you use the fundamental counting principle or a tree diagram to find the total number of possible identification numbers?​

1. what are the missing reasons in the proof 2. it's in the second picture and 3

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

Find the roots of the equation below. x^2 - 6 + 9 = 0