What is the value of x? i don't know if i'm right so did i get this answer right?i need asap

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

3x + 4y = 5 x- 3y = -7 solve by substitution

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis