Given the following diagram, enter the required information. m bxa = 30° 20', m cxb = 40° 35'. m cxa __° __'.

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.