Which of the following sets of ordered pairs represents a function? OA. {(-8,-14), (-7,-12), (-6,-10), (-5,-8)}
OB. {(-4,-14),(-9,-12), (-6,-10), (-9,-8)}
O C. {(8,-2), (9,-1), (10,2), (8,-10)}
D.
{(-8,-6), (-5,-3), (-2,0), (-2,3)}

Guys i really need or i have to stay late up night

Find │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction

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.