All of the following represent the same expression except -8ab -8(a)(b) 8 - ab -8 · a · b

Pranza plotted point a in the coordinate plane below.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

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.