In 3 sentences explain how life would change if everything was flat, ie 2 dimensional.

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Prove that 16^4-2^13-4^5 is divisible by 11.