Answer:
E
Step-by-step explanation:
is the same as 
· 
This can be simplified to 9 ·
And the square root of -1 is i,
so this equals 9i
Answer:
T
Step-by-step explanation:
The regression line is flat when there is no ability to predict whatsoever. The regression line is sloped at an angle when there is a relationship. The extent to which the regression line is sloped, however, represents the degree to which we are able to predict the y scores with the x scores
Answer:
Let P = Perimeter of square
Let l = Length of the sides of the square
P = 4l
Answer:
Step-by-step explanation:
This figure is quarter of a circle.
=> Perimeter = π/2r + 2r
=> 5π + 10
=> 5(3.14) + 10
=> 15.7 + 10
=> 26 units
Area = πr²/4
=> 3.14 x 100 / 4
=> 25 x 3.14
=> 79 sq. units
Try everything you can find to see if you feel like its right
