Madison measured 2 line segments. The first line segment is 20 cm long. The second line segment is 400 mm long. How long are the two line segments together?

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

X+y=-4 x-y=2 use elimination with adding and subtraction

Consider the triangle. which shows the order of the angles from smallest to largest? angle a, angle b, angle c angle b, angle a, angle c angle b, angle c, angle a angle c, angle a, angle b