Find the domains of the functions defined by the following formulas, and then draw these domains in the xy-plane: (a) (2 points) √ 1 − xy (b) (2 points) p x 2 + y 2 − 1 p 9 − x 2 − (y − 1)2.

Can someone me do math because i am having a breakdown rn because i don’t get it

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.