Which expressions is equivalent to 7/10-2/10?

The highest common factor of 132 and 220

What is the measure of angle afe? 79 81 91 99

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.