4p3 – 12pq + 9q^2 by -3pq Factorize this problem and I will marks you as the brainliest

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

The area of a circle is equal to 1 dm². find the radius of the circle.

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )