Jeff, an electrician, had a job that lasted 6.5 hours, during which time he earns $34 per
hour and charges a $22 service fee. the function j(t) represents the amount jeff earns in t
hours. brendan also works as an electrician. the graph of b(t) shows the amount in dollars
that brendan earns as a function of time t in hours.

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Ithink i know it but i want to be sure so can you me out ?

How does percent markup and percent discount relate to percent of change?