Answer:
y=-8/5x+77/5
Step-by-step explanation:
The equation of line that passes through the points (4, 9) and (9, 1) is y=-8/5x+77/5. Hope it helps!
I’m not sure, you’re not elaborating enough to this equation. Are you sure you’re not missing a phrase of some sort?
The volume would be 4.19 because you would do V=(4/3)(pi)(1^3) :) thats how you get your answer :)