Which of the following quadratic regression equations best fits the data shown below?
X -4 -3 -2 -1
0
1
2
3
4
y
60
34
10
6
8
14
20
56 98
A. y= 3.11x2 + 1.20x + 3.64
B. y = 2.87x2 + 2.70x + 4.07
c. y = 2.09x2 + 1.30x + 4.61
D. y = 4.67x2 + 4.10x + 2.87
SUBMIT

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^

38.6°

step-by-step explanation:

resultant is 10 pound

smaller force = 8 pound

angle formed = tan⁻¹(

                        =tan⁻¹(

                          =tan⁻¹(0.8)

                        =38.6°

the second option

step-by-step explanation: