Answer:
The answer is D
Step-by-step explanation:
3 D + .25 S = 25.75
He sold 103 cookies, which could have occurred in many ways.
8 dozen and 7 singles
7 dozen and 19 singles
6 dozen and 31 singles
5 dozen and 43 singles
and so on
this equation just multiplied my depression by 2 omg im so sorry dawg .
Answer:
The cubic regression that fits the points
,
,
and
is
.
Step-by-step explanation:
A cubic polynomial is a polynomial that has the following form:
(1)
Where:
- Independent variable, dimensionless.
- Dependent variable, dimensionless.
,
,
,
- Coefficients, dimensionless.
We construct the following system of equations to determine the coefficients of the cubic regression:

(1)

(2)

(3)

(4)
The solution of the system of linear equations is:
,
,
, 
The cubic regression that fits the points
,
,
and
is
.