Answer:

Step-by-step explanation:
Plug in -3 for n in the equation:


Simplify. Remember to follow PEMDAS. First, solve the power:

Next, combine like terms. Note that if there are two negative signs directly next to each other, it becomes a positive sign. Add:

Your answer: 
Answer:
0.25*4=1 the square root is 1.
Step-by-step explanation:
4 1/4 hrs if you take the 1/4 and you 4 divide by 1 which will give you 0.25. Then you take the 0.25*4=1. you take that 1 and it becomes the square root of the whole problem.
Answer:
- 220° and 500°
Step-by-step explanation:
To find the coterminal angles add / subtract 360°, that is
140° - 360° = - 220°
140° + 360° = 500°
Go on demos.com and plug in your equation you will get a graph