Simplify the ratio . 2 to 3 4 to 6 24 to 36 3 to 8

Bring the fraction a/a-4 to a denominator of 16-a^2

Need so much on this one how many yards?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.