How have the two rivers affected nearby societies? HELP

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

Rainbow trout is non- native to the united states. however this species is breeding with the native gula yltrout acientistrecently observed that the hola trout were becoming exitinct what is the cause of their extinction

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d