Prove that 1/a + 1/c = 2/b if xa = yb = zc and y2 = xz

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

What should be done to both sides of the equation in order to solve -5m = -40? a) multiply by -5. b) divide by -5. c) multiply by -40. d) divide by -40.

Gray looks up the definition of point. a point is a location in a region. what is true about the statement describing the word point? 1. the statement uses the terms location and region that are defined based on an understanding of a point. 2.the statement precisely defines the concept of a point. 3. the statement does not include information needed to fully define a point. 4. the statement is an incorrect description of a point because it does not use mathematical words.