Factor the greatest common factor.
-30k^6 + 9k^5 - 21k^4

55 bridesmaids want to make 325 325 decorations for a wedding. each decoration takes about 212 2 1 2 minutes to make. which response gives the best estimate for the amount of time each bridesmaid will spend making decorations?

Does anyone know how to do geometryme with this problem

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15