There are two boxes containing only blue and black pens. Box A has
5 black pens and
3 blue pens.

Box B has
10 black pens and

10blue pens.
A pen is randomly chosen from each box.
List these events from least likely to most likely.
Event
: choosing a black or blue pen from Box A.
Event
: choosing a green pen from Box B.
Event
: choosing a black pen from Box A.
Event
: choosing a black pen from Box B.

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98