Subtract the linear expressions. (4/5x−5)−(1/3x+4)

What is the difference?

Add the two expressions.

−2.4n−3 and −7.8n+2

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Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

What is the gcf of 20c^3-5c^4+30c^6

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)