Hello there!
You simply can't multiply a number by itself and get a negative result.
So, the answer is <span> (+-)4i.
Hope it helps u and its what you're looking for.
~TRUE BOSS</span>
Answer:
D
Step-by-step explanation:
Cos^2 2x=1/4
Cos 2x =+-1/2
2x=z
Cos z=+-1/2
z1=pi/3
z2=11pi/3
z1 and z2 are possible.
x1=pi/6
x2=11pi/6
Answer:
Slope: -3/2
With the question, we can determine that the slope with two points: (0,13.5) and (9,0). To calculate use the equation 
and get 
This slope means that the water is decreasing at a rate of 3/2 gallons per minute.
(<span>used with a singular verb</span><span>) the systematic treatment of magnitude,relationships between figures and forms, and relations betweenquantities expressed <span>symbolically</span></span>
