Which equation represents the model below A) 2x - 2 = -6
B) 4x = 6
C) 2x + 2 = -6
D) 4x = -6

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.

(a) solve the euler's equation x3y +xy -y 0. (b). solve the higher order equation y' +2y" 11y' 12y=0

Which of the following functions is graphed below?