Select all the expressions that are equivalent to -36x + 54y - 90. -9 ( 4x - 6y - 10)

-18 ( 2x - 3y + 5)

-6( 6x + 9y - 15 )

18 (-2x + 3y - 5)

-2 ( 18x - 27y +45)

2(-18x + 54y - 90 )

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

Taking algebra two apex courses and need with these questions

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2