I’m just lost on this on

Janets dinner costs 7.50. if she wants to leave a 10% tip how mich extra should she leave

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are