Which describes the intersection of the ceiling and a wall of a classroom? A. Line
B. Point
C. Two Points
D. Two Lines
Please help, no links!!

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample