Apet shop had 8 identical fish tanks in the shape of rectangular prisms. the width and height of each tank was (x - 7) inches and the length was 8 inches more than its width. the expression below shows the maximum amount of water which all the tanks together can hold
8(x + 1)(x - 7)2

what does the factor (x - 7)2 represent?

the total base area of all the tanks
the total surface area of each tank
the area of the rectangular base of each tank
the area of a square shaped side of the tank

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