Which Equations represents porportional relationships with a constant proportionality equal to -2

Nparallelogram lmno, what are the values of x and y? x = 11, y = 14 x = 11, y = 25 x = 55, y = 14 x = 55, y = 25n parallelogram lmno, what are the values of x and y? x = 11, y = 14 x = 11, y = 25 x = 55, y = 14 x = 55, y = 25

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

What expression is equivalent to log3(x+4)