30 points! my life depends on this if you answer the question attachment below

what are the things "represented below"?

step-by-step explanation:

nobody can if you dont give the choices

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  

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

sorry i just need to anwers this to get points

step-by-step explanation: