A shaded semicircle is inside a circle as shown. The radius of the circle is 12cm. The diameter of the semicircle is 8cm. How many times bigger is the unshaded area than the shaded area?

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1