6th grade math 13: what is the measure of angle y?

14: what is the measure of angle x?

15: what is the measure of angle z?

idk

step-by-step explanation:

use that smart brain

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8