HEL I BEGGING YO ALSO SHOW YOUR WORK

1 ) Use the expression below to answer parts (a) and (b)

5x-3x-4y+ 1/3 (6x-12y)

ANSWER THESE QUESTIONS !!!
a) Simplify the expression by combining like terms. (SHOW YOUR WORK.)

b) Express the answer from part (a) as an equivalent expression in factored form.

C .In the space below PROVE how you know your expressions are equivalent to the original expression.

Of four points are collinear, they are also coplanar

Which of the following tables represents exponential functions?

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