What is the solution to the any quality -8 is greater than or equal to negative 5x +2 greater than or equal to -38

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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?

Find the domain and range of the following function f(x) = 51x - 21+ 4