A bee colony produced 10.8 pounds of honey, but bears ate 0.913 pounds of it. How much honey remains?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Acircle has a circumference of 7.850 units. what is its radius?

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.