Which of the following is an equation of the circle with a center at (-1,4) and a radius of 2√5 units? plss pahelp naman A. x²+ y²+2x-8y-3=0

B. x²+y²-2x-8y+3=0

C. x²+y²+2x+8y-3=0

D. x²+y²-2x+8y+3=0​

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

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

In the diagram below,abc is congruent to dec what is the value of x