(8b+3)(2b-9) what's the answer and how u get it

2x minus y equals 6, x plus y equals negative 3

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

Which of the following represents the factorization of the trinomial below? x^2+7x-30