If f(x)=
4x+9+2, which inequality can be used to find the domain of f(x)?
O 14x20
O 4X+920
4x20
O 74x+9+220

Factor the polynomial 8y^2 - 72 btw "^" means exponent

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?