60/3[150+2{6+3(17-14)}}
11. 56-45-5(90-3[4-(25-31)}]
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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?

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y