Find the value of a for which the solution of the inequality is all real numbers.

a(x+3)< 5x+15-x

This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )

What are potential hypotheses (explanations) regarding why there are ecological equivalents between many metatherians and eutherians? discuss your hypothesis in terms of the processes that could lead to the current ecologies and distributions of metatherians and eutherians.

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?