What is the difference in height between the tallest plant and the shortest plant

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?