15 POINTS BRAINLIEST Calculate the coefficient of x2y6 in the expansion of (x + y)8. 15

56

28

12

28

Step-by-step explanation:

Consider the expansion:

We have

I'm sorry but I will not write and solve everything, typing LaTeX takes time. But that's the idea:

For

For

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

pls mark as brainliest

the barter