Answer:
Step-by-step explanation:the answer would be the first one. (2x+3)
<span>n=toms weight
(n-30)=jims weight
and together they weigh 210
so it would be (n - 30) + n = 210</span><span>
</span>
Answer:
q = −
1
\6
Step-by-step explanation:
q = −
0.1
6 ¯ 6