It takes 28 minutes for 7 people to paint 7 walls.
How many minutes does it take 14 people to paint 14 walls?

It's FROM KHAN ACADEMY HELP

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?

What is the solution to the inequality? 6x−5> −29, a x> −4 bx> 4 cx< 4 dx< −4

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.