Step-by-step explanation:
x²=-9-27
x²=-36
there's no x
Answer:
50
Step-by-step explanation:
2.5 x 20 would be 50
Answer:

Step-by-step explanation:
The formula of an area of a circle:

r - radius
We have r = 5. Substitute:

Answer:
Step-by-step explanation:
The instructive text on the other half of this worksheet page tells you that single roots (power = 1 = odd) are places where the graph crosses the x-axis.
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It also tells you that double roots (power = 2 = even) are places where the graph touches the x-axis.
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See also brainly.com/question/16684659 where more of this worksheet is shown, and this question is shown answered correctly.