Which number is the best approximation for
4√7 − 2√3

a. 0.9
b. 2.9
c. 7.0
d. 13.8

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

In the diagram of circle o, what is the measure of zabc?