Lillian works 7hours each day for 5 days a week she earn £420 each week how much does she earn per hour

What is the domain of the function f(x)=^9x

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

True or false look at the picture pls : /