What is the probability of flipping a head in 3 consecutive flips of a fair coin?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!