A triangle has side lengths of (8b – 10c) centimeters, (8b – 4d) centimeters, and (9d + 8c) centimeters. Which expression represents the perimeter, in centimeters,
of the triangle?

A. 25bd - 6cd
B. -c + 4d + 16b
C. 4bd - 2bc + 17cd
D. 16b + 5d - 2c

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Me answer number 3plz explain how you do it

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

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?