Answer:
56.52mm
Step-by-step explanation:
Answer:
$840
Step-by-step explanation:
First, add 30 to 10.
Then, multiply your answer (40) by 21.
Finally, you get your final answer of $840.
<span>To remove any negative sign in front of a number, and to think of all numbers as positive (or zero). Example: |5|=5</span>