2. Catherine was proving that (2 + y22 - (y) = (x - y) for any x and y.
Her work is shown below.
(x2 + y)2 - (2xy) = (x2 - y)
** + 2x”y2 + y - 2x?y? = (x2 - y2)
** + y = (x + y2)
** + y* = (x2)2 + (y)
x + y = x + y
Circle Catherine's mistake(s) and justify your answer.

4 adults and 12 babies

step-by-step explanation:

4 x 7 = 28

12 x 15 = 180

180 + 28 =208

4 x 3 = 12

answer is 144

step-by-step explanation:

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step-by-step explanation:

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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