How many solutions does the following system of equations have?
v==x+ 2
2y=5x+8

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Which is f(5) for the function –2x2 + 2x - 3?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?