The graph shows a line segment from (-3 1/2, 2) to (4, -2 1/2). What is the midpoint of the line segment.

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?