In a quadrilateral abcd, ab ∥ dc and ad ∥ bc . find the perimeter of δcod if the diagonals of the quadrilateral intersect each other at point o and ac = 20 in, bd = 20 in, ab = 13 in.

Ascuba diver was 80 feet below sea level and swam up at a rate of 4 feet per minute. the two solutions show how long it took the scuba diver to reach an elevation of 20 feet below sea level. lydia and max used the methods shown below to find the time it took the diver to reach the new elevation.

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

For the sequence [tex]a_{n} = 2n/(n+1)[/tex], what is the value of [tex]a_{10}[/tex]