What polynomial has roots of -6, -4, and 1 ?

x3 - 9x2 - 22x + 24
x3 - x2 - 26x - 24
x3 + x2 - 26x + 24
x3 + 9x2 + 14x - 24

Simplify the expression. -2/5(10+15m-20n)

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce