Need Help With This Emma y = 10 - 2x is not a linear function because the graph below has a negative rate of change

Georgia y = 10 - 2x is a linear function because it can be written in the form

y = mx + b

y = 10 - 2x

y = 10 + (-2x)

y = 2x + 10

Who Is Correct and Why?
(also i suck at drawing, don't judge me)

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

If u good at math hit me up on insta or sum @basic_jaiden or @ and