The perpendicular bisector of a line segment AB passes through the origin. If the coordinates of A are (4, 0), then find the coordinates of B and the length of AB

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m