Please answer anyone’s you can pls pls

28) (A) -42m^4 + 28m^3 + 65m^2 -11m -15
simplify each expression.
29) (B) 8k^3
30)(D) -9b^4 - 27b^2 + 2
31) (A) -3m^5 - 5m^4 - 19m^3 - 14
solve each equation by factoring.
32) (c) {7,-5}
33) (A){-2,5}
34) (D) {3,5}