A small plane has 20 rows of seats. Each row has 4 seats. Find the total number of seats on the plane.

How many seats are on 3 small planes?

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)

Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?