Answer:
The equation of the least-squares regression line for this plot is approximately ŷ = 3.8 + two thirds times x.
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
An operation of two real numbers is defined by the rule

Calculate
First evaluate the expression in brackets:

Now,

<span>3•(x•y)=(3•x)•y
</span>
answer
associative property of multiplication
Area of circle = 3.14 x 2^2
= 12.56
white sectors = 44 + 47 = 91
so
12.56 x
--------- = ------------
360 91
x = (91 * 12.56)/360
x = 3.17
x = 3.2
Answer
C. 3.2 units^2