The vertex of this parabola is at (2,-4). Which of the following could be its equation?
10
HH
-10
4e
(2,-4)
10+
O A. *= 2(y-4)2 + 2
B. y = 2(x - 2)2 + 4
c. x = 2(y + 4)2 + 2
D. y = 2(x - 2)2 - 4

What is the absolute value of the complex number -4-sqrt2i

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

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?