3 cm 3cm
8cm
13cm
in the diagram above, the curved part is a Semi
Circle. Find the area of the shaded portion
and correct your answer to 3 significant
figure.

Asap! i'm not good math and i'm lost.

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)