The joint of meant needs to be cooked for 30 minutes per 500g plus an extra 20 minutes how long will it take to cook a joint of meat weighing 2.5kilograms

If the measure of xyz is 81 what is the measure of yz

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Which equation represents the function on the graph?