Assume that postage for sending a​ first-class letter in the United States is ​$0.33 for the first ounce​ (up to and including 1​ oz) plus $0.23 for each additional ounce​ (up to and including each additional​ ounce). Required:
Graph the function p = f(w) that gives the postage p tor sending a letter that weight w ounces.

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?

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.