Independent meaning for math and dependent

Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a. heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Evaluate the expression. (9 + 5)(3 + 2)0