Factor 81p² - 1 a. (3p+1) (9p-1) b. (9p+1) (p-1) c. (9p+1) (9p-9) d. (9p+1) (9p-1)

Factor the polynomial 8y^2 - 72 btw "^" means exponent

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.