The sum of a number and 7 divided by -3 is 2

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

Acircle has a circumference of 28.36 units what is the diameter of the circle

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*