Wooden blocks are stacked to form a cube 4 blocks wide, 4 blocks long, and 4 blocks high. write the number of blocks used as a power.

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

If 25% of y is 30, what is 60% of y?

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.