Have u ever missed ur ex ;-;

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?