Which of the following statements have the same result? explain each step in solving each one.

i. f(3) when f(x) = 2x + 2
ii. f-1(4) when f(x) = (3x-4)/5
iii. y + 10 = 2y + 1

Answer this question only if you know the answer! 30 points and

In the diagram of circle o, what is the measure of zabc?

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?