30 pts! simplify each expression. give your answer using positive exponents. 1: 8^-2 2: 1/3^-3 3: 6^-12 * 6^8 * 6^0

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?