Answer:
A. 0 real roots
Step-by-step explanation:
This function has 0 real roots because it touches the x-axis 0 times.
Answer:

Step-by-step explanation:

The dice could either roll 6 and 5 or 5 and 6 which gives us the probability of 2/36.
Answer:
Yes
Step-by-step explanation:
The z-score corresponding to a number or score can be calculated using:

Where x stands for the individual scores, and

stands for the mean.
Since

for all numbers or scores below the mean, the difference will always be negative these values below the mean.
This will always result in a negative z-score for all numbers below the mean.
Answer:
A circle is the set of all points in a plane equidistant from a given point.
Step-by-step explanation:
A circle is a shape composed of a single line or set of points that have the same distance from the center of the circle or that are equidistant from the center.