Factor each:
x^8-13x^4+36=0

Step-by-step explanation:

a = x^4

a^2 - 13a +36 = 0

(a-4)*(a-9)=0

a = 4, a = 9

so

x^4 = 4, x^4 = 9

x = + or - 4th root of 9 and 4

step-by-step explanation:

the options are kind of confusing. i can tell you what i see going on here when i look at the graph.

the class and exam medians are closely related, and it looks like the low outlier on the exam did pull the median lower. [tex][/tex]

chicken chicken chicken

step-by-step explanation: