Rewrite these sets in description method. a) D = {1, 2, 4, 8} ​

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.