Answer:

Step-by-step explanation:
Multiply the two polynomials by multiplying each term

The answer is $162 you take the prices of what she bought and add them together which is $73+$38+$64=$180
then you subtract the $180 from $342 which is $342-$180=$162
so the answer is $162
Answer:
18.5
Step-by-step explanation:
You have to divide. If you leave it as a fraction, you won't be able to simplify. You can check my answer by multiplying 18.5 * 2
9.43 x 10^12 is the answer
40/1.4=28.57 i think this is right