Find a positive and a negative coterminal angle for 13tt/5​

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle

What is the t intercept of the line given by the equation below y= -10x + 14

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?