Ricky can paint a room in 4 hours. carrie can paint the same room in 3 hours. working together, how long would it take them to paint the room?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Which of the following represents the range of the graph of f(x) below