40 student ek kam ko 80 days main pura kerte hai 20 student usi kam ko kitne din main pura krenge?

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

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8