Complete the following parts given the line 9x + 11y = -20. Enter all answers in exact, reduced form. No decimals are allowed.
a) If y decreases by 11 units, what is the corresponding change in x? x - Select by units 4.
b) If x increases by 3 units, what is the corresponding change in y? y - Select by units.
c) If x decreases by 6 units, what is the corresponding change in y? y - Select by units.
x - Select by units.