Multiply and simplify. $\frac{(4x-9)(x+9)}{x^6}\cdot \frac{x}{9-4x}$

A) $\frac{324}{9-4x},x\ne \frac{4}{9}$
B) $\frac{x-9}{x^6},x\ne -9$
C) $-\frac{x+9}{x^5},x\ne \frac{9}{4}$
D) $-\frac{x+9}{x^7},x\ne -\frac{4}{9}$
E) $\frac{(4x-9)(x+9)}{36},x\ne -\frac{9}{4}$

Perform the division. $\left(x^3+6x^2+11x+12\right)÷\left(x^2+2x+3\right)$

A) $x^3+21$
B) x+4
C) $x^2+8x$
D) x+3
E) $x^3+9$

Jerry Isaacs went to his credit union to inquire about borrowing $8,000. The credit union told him they could amortize an $8,000 loan over two years with 24 payments of $376.59. The interest rate would be 1% per month on the unpaid balance (12% annual rate). Complete the first two months of the amortization schedule.

Compute the commission and gross cost for the following purchases for principals.​
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A $1,000 five-year compound-interest GIC matured at $1,234.01. What semiannually compounded rate of interest did it earn?