Given the following matrices, find 3a - 2b. (hint: find 3a and 2b first and then subtract.)
a= [1 3] b=[4 9] [ 5 -2 1] [-1 2 1
[ 5 2] [0 3] c= [ 0 -8 6] d= [6 -6 4
[-4 4 -4] [2 -8 3

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?

Aline passes through 3,7 and 6,9 what equation represents the line

Maurice has 54 fewer comic books than rebecca. they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection