The points a b c D in order on a straight line ab:bd= 1:5 ac:cd=7:11 what is the ratio ab, bc, cd

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

Can someone me with this? i’m not sure what to put for my equations.