Determine which kind of model best describes this data set.
{(-2,1),(-1,3), (0,5),(1,7),(2,9)}

answer: download photomath it's legit.

step-by-step explanation:

-81 -56 -27 0 81

step-by-step explanation:

add the numbers under frequency to find the total number:

5 + 8 +7 + 4 + 0 +1 = 25

the answer is 25.

86

step-by-step explanation:

find the area of the triangle then multiply by 2 then add the area of the parollelegram multiplied by 2