The quantities xxx and yyy are proportional. xxx yyy 333 303030 101010 100100100 161616 160160160 Find the constant of proportionality (r)(r)left parenthesis, r, right parenthesis in the equation y=rxy=rxy, equals, r, x. r =r=r, equals

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Which system of linear inequalities is graphed? can somebody pleasssse

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?