Write the equation of the parabola with a focus (-2,4) and directrix y = 0.
a:y=1/8(x+2)^2+2
b:y=1/8(x-2)^2+2

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q

Which of the following circles have their centers in the third quadrant?