To solve |-5x-2|-7> 0 so i have to add positive seven to both sides? once i add do i split the equation in two?

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?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Me asap! what is the slope of this line? enter your answer in the box.