Solve the system of equations by substitution. (3/8)x + (1/3)y = 17/24
x + 7y = 8
What is Y and X

Rewrite the following without an exponent. (5/8)-1

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

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?