Answer:

Step-by-step explanation:
<u>Formula:</u> 




Answer:
3 1/2
Step-by-step explanation:
4 1 3
_ - _ = _
6 6 6
Then we simplify. 3 3 1
_ ÷ = _
6 3 2
Then just add your 3 and there 3 1/2 is your asnwer
Answer:
X=-1
Step-by-step explanation:
(X-5)1/2+5=2
(X-5)1/2=2-5
(X-5)1/2=-3
(X-5)=-3 *2
X-5=-6
X=-1
Answer:
31
Step-by-step explanation:
f(4) = 6x4 + 7
= 24 + 7
= 31
Answer: 7
Step-by-step explanation: