2. A meeting room has 8 rows of chairs. Each row has 10 chairs.
The first people to arrive fil 2 rows.
How many chairs are not filled?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Ineed to know the answer to this algebra question.

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?