FREE BRAINLEST NEED HELP ASAP FOR THIS PLEASE ANSWER THE FOLWING ATTACHTMENTS

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)

Asalesperson set a goal to earn $2,500 in august. she receives a base salary of $1,000 per month as well as a 20% commission for all sales in that month. how many dollars of merchandise will she have to sell to meet her goal?