Point a is at (-2, 4) and point b is at (7, 3). what is the midpoint of line segment ab

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.