The answer is option c.
That is, the wrong step in step 6. It was written that the center of the circunference is the point (2.1). However, the general equation of a circumference is:
(X- (a)) ^ 2 + (Y- (b)) ^ 2 = r ^ 2
Where the point (a, b) is the center of the circle.
So for this case the point for the center is: (-2, -1)
Answer:
5 + 8y
Step-by-step explanation:
hope this helps, pls mark brainliest :D
Why not look up "standard deviation" yourself, to be sure? But yes, the std. dev. is the sqrt of the variance.
He completes .75 of a bookcase per every day. That is, 3/4 or 75% of one bookcase per day.
