What is the least amount of additional money Joe can spend to get the rooms they need? 16+8B≤50

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

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.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse