How do you solve 5x + y=9 10x-7y=-46 how do you solve -4x+9y=9 x-3y=6

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points

Acredit union pays 5% annual interest, compounded daily, on saving deposits. find the value after one year of $500 deposited in this account. a-$20.40 b-$25.64 c-$520.40 d-$525.64