The answer to your question should be "<span>Both weight and mass are used equally by scientists"</span>
Answer:
<em>47. 1 inches ; where inches ⇒ units</em>
Step-by-step explanation:
Consider the Circumference as such;

<em>From this we can tell that ⇒ Answer; 47. 1 inches, where inches - units</em>
10=a/2 + 7
First subtract 7 from both sides
3=a/2
Next multiple 2 on both sides, so that a is by itself
3(2)=a
A=6