Which expression is equivalent to y • 48? A. (• 40) + 8
B. (y • 4) • 8
C. (y • 40) + (y • 8)
D. (y • 4) + 8

When the ball has traveled a distance of

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

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.