Solve the system. -3x + 4y = -22 2x + 7y = 5

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.?

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.