I'm assuming you're subtracting. It would be 3.9. The second one would be 0.65.
Answer:
2x2 - x + 3
Step-by-step explanation:
Answer:b
Step-by-step explanation:
(×+1)(×-1)
---------------
(×+1)(×+7)
=cancel (×+1) both the numerator and denominator then you are left with
(×-1)
-------
(×+7)
=(×-1)/(×+7)
Answer:
5 m/s
Step-by-step explanation:
100 meters divided by 20 seconds