Answer:
a. 40°
b. 21°
Step-by-step explanation:
a. Reference angle = θ
Opposite = 5
Adjacent = 6
Apply TOA:



(nearest degree)
b. Reference angle = x
Opposite = 5
Hypotenuse = 14
Apply SOH:



(nearest degree)
I would say a circle graph would be best to use
An expression might be: 2354h / 3hrs. You can make the real division sign if you're using paper. Hope this helped :)
A = 7
b = -18
c = -52
Do you know what the Quadratic formula is to solve?
Answer:

Step-by-step explanation:
The identity property means that whatever you put in is whatever comes out. Notice that if we multiply 1 with any number, we get that number back. So multiplying by 1 is the identity property of multiplication.