Find the constant variation for the direct variation given
10y=13x
f(x)=4.5x
x + y = 0

What is the perimeter of square abcd? units units 28 units 37 units

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.