Which of the following equations is not a proportion? 1.5/3=3/9 22/33=4/6 2/3=142/213 14/7=7/3.5

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.