What would be the factors if you were to solve the equation 3x^2+6x=0 by factoring?

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?