An archaeologist in turkey discovers a spear has with 51% of its original amount of C-14 left. If k=.0001, find the age head to the nearest year.

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

What is the ratio of the length of an object in yards to the length of the same object in miles?

The surface area of the triangular prism is .