How to change1.333 to a percent

On a piece of paper graph f(x)=5•(0.4)^x

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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.