Enter the following phrase as an algebraic expression. let x represent the unknown number. four times a number increased by 9. the algebraic expression is?

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

The only way to identify an intercept is as an ordered pair. true false

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2