A circular running track is LaTeX: \frac 1 41 4 mile long. Elena runs on this track, completing each lap in LaTeX: \frac 1 {20}1 20 of an hour. What is Elena's running speed?

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d