Adding 0 to any number leaves it unchanged. what property of mathematics is this

What is the factored version of 8-r^3

Which is NOT a major expense category?

I have very little cash and yet he says that I had a good year with $15,000 net income. He said it was because we use accrual accounting (whatever that means). I know I paid 6 month's rent ($1,400 a month) in advance at the end of the year.

What is the justification for each step in the solution 4 (-6x-3) + 24 = - 72x + 132

Can solve this ... (-2e3) 4?

Fiona needs $62 to go on a field trip. She has saved $10.50. She earns $6.50 per hour cleaning her neighbor's garden, and she earns $5.25 per hour selling cakes at a store.

Solve for x: 4 = (-8) + 3x

What is the median of this set of data? 362, 187, 211, 298, 331, 250, 347, 199

Item 8 A store hands out 900 reward cards. Customers scan their cards in the store to find out what reward they receive. The probability that a customer receives a $25 gift card is 112. How many customers receive a $25 gift card?

What is 720,080 in expanded form with exponents