1/4 applicants were successful, however of the successful applicants, 1/5 couldn't make all the training sessions and were discounted. How many were selected to help at the tournament?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7