20 ! the radius of a circle is 4 inches. using the formula a ≈ 3r2, what is the approximate area of the circle?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?