Isabelle bought 6/8 yd silver tinsel for a decoration. she used 2/3 yd. how much tinsel does she have left? express your answer in simplest form.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?