1 hour and 5 min. from 2:45 until 3:00 is 15 min. then from 3:00 until 3:50 is an additional 50 min. ad 15 and 50, and you get 65. every 60 min makes one hour, so that leaves you with one hour and five min.
1) 46°
Sorry I don’t know the second question

Subtract 50 from both sides:


hope this helps!
Answer:
0.25
Step-by-step explanation:
we have

we know that

substitute

Remember that

so

8t + 1 + (-4t) + (-6) =
8t + 1 - 4t - 6 =
4t - 5 <==