Which algebraic expressions are polynomials? check all that apply. 2x3 – startfraction 1 over x endfraction x3y – 3x2 + 6x y2 + 5y – startroot 3 endroot 2 – startroot 4 x endroot –xstartroot 6 endroot –one-thirdx3 – one-halfx2 + one-quarter

Of four points are collinear, they are also coplanar

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?