First u add all of them and then multiple 2 numbers then theres ur answer
Answer:

Step-by-step explanation:
You move the decimal place over 6 times for the first equation and 5 for the second equation.
Hope this helps! Have a great day! :)
Answer:
Since we can see that they are vertically opposite angles
so 33° = 2x +1°
2x =33°+1°
2x = 34°
Therefore x= 17°
<span>Well, they couldnt have studied negative time.. So Id say the domain is \(x \ge 0\) where \(x\) is the time they studied.</span>