Find the term independent of x in the binomial expansion of (x^3 - 1/2x) ^12

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.