Find the least common denominator 5/8, 1/18, 5/9, 9/14

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

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?