Remove brackets and simplify ​

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.