What is the distance between -12 and 32 on a number line?

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Which statements are true? see picture

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.