Find standard form of the equation of the parabola with given characteristics and vertex at the origin. Directrix: y = 3

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

Graph the system of equations. { x-y=6 4x+y=4use the line tool to graph the lines. where do i put each point?