Write the equation of the ellipse 4x^2+9y^2+72x+108y+612=0 in standard form.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.

Four equations are shown below. equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list. why each equation you identified is linear or nonlinear. nd one nonlinear equation from the list. state a reasonlinear equation