A computer tech charges a $30 initial fee to come and fix a household computer plus $15 per hour

$30 is a flat rate charged just for showing up, so that value is constant and will not change.
$15 is the per hour charge, so the total charge will be $30 plus $15 for every hour the tech is there. The $15 is a constant charge per hour, so let x or h represent the number of hours the tech is there, so the total cost is
c = 15h + 30
Every time h increases by 1, the total cost goes up by $15.

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.