12. Which of the following is not a step in the problem-solving procedure?
O A. Read the problem carefully.
O B. Check your work.
O C. Use trial and error to find an answer.
O D. Decide which operations to use.

I’ll mark brainliest if 100% right. And if this thing will let me

(x+3)(x+7)

step-by-step explanation:

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