Answer:
The last one (f) hope u still have time
Answer:
t:

meaning any number can substitute t and it would be the same answer.
45 you need to fix the question for example what does theths mean
Answer:
Option.B
Step-by-step explanation:
Its because if you add these two angles you get a supplementary angle or 180°
Using this we can form an equation to find the value of x.
(Hope this answer helps :))
(And is this question from Khan Academy?)
Answer:
TRUE
Step-by-step explanation:
The center is visible