What is the slope of a line perpendicular to the line 2x+4y=9?

Which of those sequences is a geometric sequence

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

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?