Solve x^2-8x=20 by completing the square. which is the solition set of the equation ? a){-22, 14} b){-14, 22} c){-10, 2} d){-2, 10}

Its D. (-2 , 10)

Step-by-step explanation:

x^2 - 8x = 20

(x - 4)^2 - 16 = 20

(x - 4)^2 = 36

x - 4 = +/- 6

x = 6 + 4 or - 6 + 4

so x =  -2,  10.

Hope this helps.

if the probability is 1/12, 75 people will receive a $25 gift card

step-by-step explanation:

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb