Let an denote the nth term of a geometric sequence. Let a0=256 and an+1=0.5an . Part A

Write an explicit formula for this sequence.

an=

Part B

To the nearest whole number, what is the sum of the first 25 terms?

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?

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)