Is the expression 9(−4x−3) equivalent to the expression −36x−27.?

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?

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.