Atheater section had 8 rows of seats with 8 seats in each row explain how the fact 2 times 8 =16 can you find 8 times 8

Which system of linear inequalities is represented by the graph? !

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°