Answer:
it's 300
Step-by-step explanation:
because 20 plus 150 plus 100 = 300
Answer:
3:4
Step-by-step explanation:
4x=12
x=3
7y=28
y=4
It would be the last answer because as you can see the line goes up for 2 hours and then goes straight for 1 hour than goes up again for 2. -The last option
It's difficult to make out, but I think the task is to expand

Write the number in polar form first:

By DeMoivre's theorem, you have

and converting back to Cartesian form, this number is equivalent to