Based on the diagram below, what is the measure of arc DC ? A 28 degrees

B 68 degrees

C 108 degrees

D 112 degrees

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?

What is 0.000008 meters in scientific notation