Plz HELP AND ALOT OF POINTS Find the Sample space when you Roll two coins?

( Heads, Tails)
(H, T, H, T)
(HH, HT, TH, TT)
(H, H, H, H)

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Long division the problem is 40 ➗ 348 = ?