Find the ordered pair $(x, y)$ that satisfies the system of equations\begin{align*} x+3y &= -4,\\ 3x -7y &= 36. \end{align*}

John bought 2 horses at rs 20000 each

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

What two criteria are needed for triangles to be similar